{"id":476569,"date":"2025-07-24T08:33:16","date_gmt":"2025-07-24T01:33:16","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=476569"},"modified":"2025-07-24T08:33:16","modified_gmt":"2025-07-24T01:33:16","slug":"sum","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/sum\/","title":{"rendered":"H\u00e0m SUM trong Excel: C\u00fa ph\u00e1p v\u00e0 c\u00e1ch d\u00f9ng k\u00e8m v\u00ed d\u1ee5 minh h\u1ecda chi ti\u1ebft"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u00e0m <\/span><b>SUM <\/b><span style=\"font-weight: 400;\">l\u00e0 m\u1ed9t trong nh\u1eefng h\u00e0m t\u00ednh to\u00e1n c\u01a1 b\u1ea3n v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t trong Excel, \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c x\u1eed l\u00fd s\u1ed1 li\u1ec7u t\u1eeb \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn ph\u1ee9c t\u1ea1p. D\u00f9 b\u1ea1n l\u00e0 nh\u00e2n vi\u00ean v\u0103n ph\u00f2ng, k\u1ebf to\u00e1n hay nh\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u, vi\u1ec7c th\u00e0nh th\u1ea1o h\u00e0m t\u1ed5ng s\u1ebd gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 n\u00e2ng cao n\u0103ng su\u1ea5t. B\u00e0i vi\u1ebft n\u00e0y, <strong>Ho\u00e0ng H\u00e0 Mobile<\/strong> s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 c\u00fa ph\u00e1p, c\u00e1ch d\u00f9ng, c\u00e1c bi\u1ebfn th\u1ec3 nh\u01b0 SUMIF, SUMIFS, SUMPRODUCT c\u00f9ng lo\u1ea1t v\u00ed d\u1ee5 minh h\u1ecda th\u1ef1c t\u1ebf.\u00a0<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u00e0m SUM l\u00e0 g\u00ec?<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong Excel, h\u00e0m t\u1ed5ng l\u00e0 m\u1ed9t trong nh\u1eefng h\u00e0m c\u01a1 b\u1ea3n, ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t khi l\u00e0m vi\u1ec7c v\u1edbi b\u1ea3ng t\u00ednh li\u00ean quan \u0111\u1ebfn s\u1ed1 li\u1ec7u. M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a h\u00e0m n\u00e0y l\u00e0 \u0111\u1ec3 t\u00ednh t\u1ed5ng c\u00e1c gi\u00e1 tr\u1ecb s\u1ed1 h\u1ecdc trong m\u1ed9t d\u00e3y \u00f4, m\u1ed9t v\u00f9ng d\u1eef li\u1ec7u ho\u1eb7c t\u1eeb c\u00e1c \u00f4 \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh c\u1ee5 th\u1ec3.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-1.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-1-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-1-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-476571 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-1.jpg\" alt=\"SUM-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u00e0m c\u00f3 th\u1ec3 t\u00ednh t\u1ed5ng t\u1eeb c\u00e1c gi\u00e1 tr\u1ecb r\u1eddi r\u1ea1c, t\u1eeb c\u00e1c \u00f4 ri\u00eang l\u1ebb kh\u00f4ng li\u1ec1n k\u1ec1, ho\u1eb7c trong nh\u1eefng v\u00f9ng d\u1eef li\u1ec7u li\u00ean ti\u1ebfp. Kh\u00f4ng ch\u1ec9 v\u1eady, n\u00f3 c\u00f2n c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p linh ho\u1ea1t v\u1edbi c\u00e1c h\u00e0m \u0111i\u1ec1u ki\u1ec7n nh\u01b0 SUMIF, SUMIFS ho\u1eb7c SUMPRODUCT \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i to\u00e1n th\u1ed1ng k\u00ea, t\u1ed5ng h\u1ee3p d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, Excel c\u0169ng cung c\u1ea5p c\u00e1c ph\u00edm t\u1eaft, bi\u1ec3u t\u01b0\u1ee3ng AutoSum v\u00e0 t\u00f9y ch\u1ecdn n\u00e2ng cao gi\u00fap b\u1ea1n nh\u1eadp h\u00e0m nhanh ch\u00f3ng, ti\u1ec7n l\u1ee3i. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng c\u00e1c c\u00e1ch n\u00e0y \u0111\u1ec3 n\u00e2ng cao t\u1ed1c \u0111\u1ed9 l\u00e0m vi\u1ec7c, gi\u1ea3m \u00e1p l\u1ef1c khi x\u1eed l\u00fd nhi\u1ec1u s\u1ed1 li\u1ec7u.\u00a0<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00f4ng th\u1ee9c c\u1ee7a h\u00e0m SUM trong Excel<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u00e0m t\u1ed5ng trong Excel c\u00f3 c\u1ea5u tr\u00fac c\u00fa ph\u00e1p \u0111\u01a1n gi\u1ea3n, d\u1ec5 ghi nh\u1edb nh\u01b0ng l\u1ea1i v\u00f4 c\u00f9ng m\u1ea1nh m\u1ebd khi \u00e1p d\u1ee5ng trong th\u1ef1c t\u1ebf. C\u00fa ph\u00e1p ch\u00ednh th\u1ee9c nh\u01b0 sau:<\/span><\/p>\n<p style=\"text-align: justify;\"><b>=SUM(number1, [number2], \u2026)<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong \u0111\u00f3:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">number1<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">number2<\/span><span style=\"font-weight: 400;\">, \u2026 l\u00e0 c\u00e1c s\u1ed1, \u00f4 ho\u1eb7c v\u00f9ng d\u1eef li\u1ec7u ch\u1ee9a gi\u00e1 tr\u1ecb s\u1ed1 c\u1ea7n t\u00ednh t\u1ed5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ebfn 255 \u0111\u1ed1i s\u1ed1 trong m\u1ed9t c\u00f4ng th\u1ee9c t\u00ednh t\u1ed5ng.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 c\u1ee5 th\u1ec3:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">=SUM(10, 20, 30)<\/span><span style=\"font-weight: 400;\"> s\u1ebd tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 l\u00e0 60.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">=SUM(A1:A5)<\/span><span style=\"font-weight: 400;\"> s\u1ebd t\u00ednh t\u1ed5ng gi\u00e1 tr\u1ecb t\u1eeb \u00f4 A1 \u0111\u1ebfn A5.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">=SUM(A1:A5, C1:C5)<\/span><span style=\"font-weight: 400;\"> s\u1ebd t\u00ednh t\u1ed5ng gi\u00e1 tr\u1ecb t\u1eeb hai v\u00f9ng d\u1eef li\u1ec7u kh\u00e1c nhau.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-2.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-2-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-2-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"size-full wp-image-476572 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-2.jpg\" alt=\"SUM-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1ed9t \u0111i\u1ec3m m\u1ea1nh c\u1ee7a h\u00e0m l\u00e0 n\u00f3 s\u1ebd t\u1ef1 \u0111\u1ed9ng b\u1ecf qua c\u00e1c \u00f4 ch\u1ee9a v\u0103n b\u1ea3n, l\u1ed7i ho\u1eb7c \u00f4 tr\u1ed1ng, v\u00e0 ch\u1ec9 t\u00ednh c\u00e1c \u00f4 c\u00f3 gi\u00e1 tr\u1ecb s\u1ed1 h\u1ee3p l\u1ec7. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 t\u00ednh to\u00e1n lu\u00f4n ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n b\u1edfi d\u1eef li\u1ec7u kh\u00f4ng mong mu\u1ed1n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u00e0m t\u1ed5ng c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng cho:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ed5ng d\u00f2ng ho\u1eb7c c\u1ed9t<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ed5ng nhi\u1ec1u v\u00f9ng d\u1eef li\u1ec7u r\u1eddi r\u1ea1c<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ed5ng t\u1eeb c\u00e1c sheet kh\u00e1c nhau<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1ed5ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n khi k\u1ebft h\u1ee3p v\u1edbi c\u00e1c h\u00e0m kh\u00e1c<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh c\u00e1ch g\u00f5 th\u1ee7 c\u00f4ng, Excel c\u00f2n h\u1ed7 tr\u1ee3 nh\u1eadp nhanh h\u00e0m t\u1ed5ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng n\u00fat AutoSum (bi\u1ec3u t\u01b0\u1ee3ng \u2211) tr\u00ean thanh c\u00f4ng c\u1ee5 ho\u1eb7c t\u1ed5 h\u1ee3p ph\u00edm <\/span><span style=\"font-weight: 400;\">Alt + =<\/span><span style=\"font-weight: 400;\">. Khi nh\u1ea5n, Excel s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u1ec1 xu\u1ea5t v\u00f9ng d\u1eef li\u1ec7u c\u1ea7n t\u00ednh v\u00e0 ch\u00e8n h\u00e0m t\u1ed5ng v\u00e0o \u00f4 hi\u1ec7n t\u1ea1i.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c lo\u1ea1i h\u00e0m SUM<\/span><\/h2>\n<p style=\"text-align: justify;\"><b>H\u00e0m SUMIF<\/b><span style=\"font-weight: 400;\">: H\u00e0m n\u00e0y d\u00f9ng \u0111\u1ec3 t\u00ednh t\u1ed5ng c\u00e1c \u00f4 th\u1ecfa m\u00e3n m\u1ed9t \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">=SUMIF(range, criteria, [sum_range])<\/span>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">range<\/span><span style=\"font-weight: 400;\">: ph\u1ea1m vi \u00f4 c\u1ea7n ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">criteria<\/span><span style=\"font-weight: 400;\">: \u0111i\u1ec1u ki\u1ec7n \u00e1p d\u1ee5ng<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">sum_range<\/span><span style=\"font-weight: 400;\">: v\u00f9ng c\u1ea7n t\u00ednh t\u1ed5ng (n\u1ebfu kh\u00e1c v\u1edbi range)<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: <\/span><span style=\"font-weight: 400;\">=SUMIF(A2:A10, &#8220;&gt;50&#8221;)<\/span><span style=\"font-weight: 400;\"> s\u1ebd t\u00ednh t\u1ed5ng c\u00e1c gi\u00e1 tr\u1ecb l\u1edbn h\u01a1n 50 trong v\u00f9ng A2:A10.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><b>H\u00e0m SUMIFS<\/b><span style=\"font-weight: 400;\">: L\u00e0 phi\u00ean b\u1ea3n m\u1edf r\u1ed9ng c\u1ee7a SUMIF, cho ph\u00e9p \u00e1p d\u1ee5ng nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n c\u00f9ng l\u00fac.\u00a0<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">=SUMIFS(sum_range, criteria_range1, criteria1, [criteria_range2, criteria2], \u2026)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: <\/span><span style=\"font-weight: 400;\">=SUMIFS(D2:D10, B2:B10, &#8220;Nam&#8221;, C2:C10, &#8220;&gt;30&#8221;)<\/span><span style=\"font-weight: 400;\"> s\u1ebd t\u00ednh t\u1ed5ng c\u1ed9t D n\u1ebfu gi\u1edbi t\u00ednh l\u00e0 Nam v\u00e0 gi\u00e1 tr\u1ecb c\u1ed9t C l\u1edbn h\u01a1n 30.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-3.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-3-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-3-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"size-full wp-image-476573 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-3.jpg\" alt=\"SUM-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><b>H\u00e0m SUMPRODUCT<\/b><span style=\"font-weight: 400;\">: D\u00f9ng \u0111\u1ec3 t\u00ednh t\u1ed5ng t\u00edch gi\u1eefa c\u00e1c m\u1ea3ng t\u01b0\u01a1ng \u1ee9ng, r\u1ea5t ph\u00f9 h\u1ee3p trong c\u00e1c b\u00e0i to\u00e1n t\u00ednh doanh thu, t\u1ed5ng \u0111i\u1ec3m nh\u00e2n h\u1ec7 s\u1ed1, v.v.\u00a0<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">=SUMPRODUCT(array1, array2, \u2026)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: <\/span><span style=\"font-weight: 400;\">=SUMPRODUCT(A1:A3, B1:B3)<\/span><span style=\"font-weight: 400;\"> s\u1ebd tr\u1ea3 v\u1ec1 <\/span><span style=\"font-weight: 400;\">A1*B1 + A2*B2 + A3*B3<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><b>H\u00e0m SUBTOTAL<\/b><span style=\"font-weight: 400;\">: T\u00ednh t\u1ed5ng linh ho\u1ea1t, c\u00f3 th\u1ec3 d\u00f9ng trong d\u1eef li\u1ec7u \u0111\u00e3 l\u1ecdc.<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">=SUBTOTAL(9, A2:A10)<\/span><span style=\"font-weight: 400;\"> \u2013 9 \u0111\u1ea1i di\u1ec7n cho h\u00e0m t\u1ed5ng trong SUBTOTAL.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><b>T\u00ednh t\u1ed5ng nhi\u1ec1u sheet<\/b><span style=\"font-weight: 400;\">: Khi c\u1ea7n c\u1ed9ng gi\u00e1 tr\u1ecb t\u1eeb c\u00f9ng m\u1ed9t \u00f4 \u1edf nhi\u1ec1u sheet:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">=SUM(Sheet1:Sheet3!A1)<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u01b0\u1edbng d\u1eabn c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m SUM<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u00e0m t\u1ed5ng trong Excel c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau, t\u00f9y v\u00e0o nhu c\u1ea7u v\u00e0 c\u1ea5u tr\u00fac d\u1eef li\u1ec7u. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft hai c\u00e1ch d\u00f9ng ph\u1ed5 bi\u1ebfn nh\u1ea5t: t\u00ednh t\u1ed5ng c\u01a1 b\u1ea3n v\u00e0 k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ph\u00e9p t\u00ednh kh\u00e1c.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng h\u00e0m SUM \u0111\u1ec3 t\u00ednh t\u1ed5ng \u0111\u01a1n gi\u1ea3n<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1ch s\u1eed d\u1ee5ng h\u00e0m t\u1ed5ng \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 t\u00ednh t\u1ed5ng c\u00e1c s\u1ed1 n\u1eb1m trong m\u1ed9t d\u00e3y \u00f4 li\u1ec1n k\u1ec1 ho\u1eb7c kh\u00f4ng li\u1ec1n k\u1ec1. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c b\u1ea3ng t\u00ednh nh\u01b0 b\u1ea3ng l\u01b0\u01a1ng, b\u1ea3ng ch\u1ea5m c\u00f4ng, h\u00f3a \u0111\u01a1n, v.v.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh v\u00f9ng d\u1eef li\u1ec7u c\u1ea7n t\u00ednh t\u1ed5ng. V\u00ed d\u1ee5: A1:A5.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1ecdn \u00f4 b\u1ea1n mu\u1ed1n hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3. Gi\u1ea3 s\u1eed l\u00e0 \u00f4 A6.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Nh\u1eadp c\u00f4ng th\u1ee9c: =SUM(A1:A5)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Nh\u1ea5n Enter \u0111\u1ec3 ho\u00e0n t\u1ea5t.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n mu\u1ed1n c\u1ed9ng nhi\u1ec1u v\u00f9ng kh\u00e1c nhau, c\u00f3 th\u1ec3 vi\u1ebft: =SUM(A1:A5, C1:C5, E1)<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Excel s\u1ebd c\u1ed9ng t\u1ea5t c\u1ea3 gi\u00e1 tr\u1ecb trong c\u00e1c v\u00f9ng n\u00e0y, b\u1ea5t k\u1ec3 ch\u00fang c\u00f3 li\u1ec1n nhau hay kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-4.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-4-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-4-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-476574 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-4.jpg\" alt=\"SUM-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><b>D\u00f9ng AutoSum:<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1ecdn \u00f4 ngay d\u01b0\u1edbi c\u1ed9t s\u1ed1 li\u1ec7u \u2192 nh\u1ea5n <\/span><span style=\"font-weight: 400;\">Alt + =<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Excel s\u1ebd t\u1ef1 \u0111\u1ed9ng ch\u00e8n c\u00f4ng th\u1ee9c v\u00e0 ch\u1ecdn v\u00f9ng d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Nh\u1ea5n Enter \u0111\u1ec3 t\u00ednh.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u00ednh n\u0103ng n\u00e0y r\u1ea5t ti\u1ec7n l\u1ee3i khi b\u1ea1n thao t\u00e1c v\u1edbi nhi\u1ec1u c\u1ed9t ho\u1eb7c b\u1ea3ng l\u1edbn. Ngo\u00e0i ra, n\u00fat \u03a3 AutoSum tr\u00ean thanh c\u00f4ng c\u1ee5 Home \u2192 Editing c\u0169ng l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn nhanh g\u1ecdn.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u1edbi nh\u1eefng b\u1ea3ng c\u00f3 d\u1eef li\u1ec7u l\u1eb7p l\u1ea1i theo h\u00e0ng, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 d\u00f9ng h\u00e0m \u0111\u1ec3 t\u00ednh t\u1ed5ng theo h\u00e0ng ngang nh\u01b0: =SUM(B2:E2)<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u00e1p d\u1ee5ng trong b\u00e1o c\u00e1o \u0111i\u1ec3m, t\u1ed5ng doanh thu theo th\u00e1ng&#8230;<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1ch d\u00f9ng h\u00e0m SUM k\u1ebft h\u1ee3p c\u00e1c ph\u00e9p t\u00ednh kh\u00e1c<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i vi\u1ec7c s\u1eed d\u1ee5ng h\u00e0m t\u1ed5ng m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p SUM n\u00f3 v\u1edbi c\u00e1c ph\u00e9p t\u00ednh to\u00e1n h\u1ecdc ho\u1eb7c h\u00e0m Excel kh\u00e1c \u0111\u1ec3 t\u1ea1o ra nh\u1eefng c\u00f4ng th\u1ee9c linh ho\u1ea1t h\u01a1n. Vi\u1ec7c k\u1ebft h\u1ee3p n\u00e0y gi\u00fap m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u c\u1ee7a Excel, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u1ea7n thao t\u00e1c t\u00ednh to\u00e1n ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>K\u1ebft h\u1ee3p v\u1edbi ph\u00e9p t\u00ednh tr\u1ef1c ti\u1ebfp<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 c\u1ed9ng th\u00eam, tr\u1eeb \u0111i, nh\u00e2n ho\u1eb7c chia m\u1ed9t gi\u00e1 tr\u1ecb v\u00e0o k\u1ebft qu\u1ea3 t\u1ed5ng. V\u00ed d\u1ee5:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">=SUM(A1:A5) + 100<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u2192 T\u1ed5ng gi\u00e1 tr\u1ecb t\u1eeb A1 \u0111\u1ebfn A5, sau \u0111\u00f3 c\u1ed9ng th\u00eam 100.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ho\u1eb7c:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">=SUM(A1:A5) * 10%<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u2192 T\u00ednh 10% c\u1ee7a t\u1ed5ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>L\u1ed3ng v\u00e0o h\u00e0m IF<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u00e0m c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi IF \u0111\u1ec3 x\u1eed l\u00fd c\u00f3 \u0111i\u1ec1u ki\u1ec7n:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">=IF(SUM(A1:A5)&gt;500, &#8220;V\u01b0\u1ee3t ch\u1ec9 ti\u00eau&#8221;, &#8220;Ch\u01b0a \u0111\u1ea1t&#8221;)<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u2192 N\u1ebfu t\u1ed5ng l\u1edbn h\u01a1n 500 th\u00ec tr\u1ea3 v\u1ec1 \u201cV\u01b0\u1ee3t ch\u1ec9 ti\u00eau\u201d.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-5.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-5-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-5-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-476575 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-5.jpg\" alt=\"SUM-5\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-5.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-5-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-5-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><b>L\u1ed3ng v\u1edbi h\u00e0m ROUND ho\u1eb7c INT<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ec3 l\u00e0m tr\u00f2n t\u1ed5ng, b\u1ea1n c\u00f3 th\u1ec3 vi\u1ebft:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">=ROUND(SUM(A1:A5), 0)<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u2192 L\u00e0m tr\u00f2n t\u1ed5ng \u0111\u1ebfn s\u1ed1 nguy\u00ean g\u1ea7n nh\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u1ebft h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n \u0111\u01a1n gi\u1ea3n (m\u00e0 kh\u00f4ng c\u1ea7n SUMIF)<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p b\u1ea1n c\u00f3 th\u1ec3 vi\u1ebft:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">=SUM((A1:A5&gt;50)*A1:A5)<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u2192 T\u00ednh t\u1ed5ng c\u00e1c gi\u00e1 tr\u1ecb &gt; 50 (nh\u01b0ng c\u1ea7n nh\u1ea5n Ctrl + Shift + Enter \u0111\u1ec3 ch\u1ea1y m\u1ea3ng).<\/span><\/p>\n<p style=\"text-align: justify;\"><b>K\u1ebft h\u1ee3p v\u1edbi VLOOKUP<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">=SUM(VLOOKUP(&#8220;S\u1ea3n ph\u1ea9m A&#8221;, A2:C10, 3, FALSE))<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u2192 T\u00ednh t\u1ed5ng doanh s\u1ed1 s\u1ea3n ph\u1ea9m A trong v\u00f9ng b\u1ea3ng tra c\u1ee9u.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u1eefng c\u00e1ch k\u1ebft h\u1ee3p n\u00e0y gi\u00fap c\u00f4ng th\u1ee9c Excel tr\u1edf n\u00ean \u201cth\u00f4ng minh\u201d h\u01a1n, \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c nhu c\u1ea7u t\u00ednh to\u00e1n trong b\u00e1o c\u00e1o, ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 x\u1eed l\u00fd th\u00f4ng tin \u0111a \u0111i\u1ec1u ki\u1ec7n.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 minh h\u1ecda v\u1ec1 h\u00e0m SUM trong Excel<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m t\u1ed5ng trong th\u1ef1c t\u1ebf, ch\u00fang ta c\u00f9ng \u0111i qua ba v\u00ed d\u1ee5 v\u1edbi m\u1ee9c \u0111\u1ed9 t\u0103ng d\u1ea7n v\u1ec1 \u0111\u1ed9 ph\u1ee9c t\u1ea1p<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 1: T\u00ednh t\u1ed5ng \u0111i\u1ec3m c\u1ee7a h\u1ecdc sinh<\/span><\/h3>\n<p style=\"text-align: justify;\"><b>B\u00e0i to\u00e1n: <\/b><span style=\"font-weight: 400;\">M\u1ed9t gi\u00e1o vi\u00ean c\u00f3 b\u1ea3ng \u0111i\u1ec3m c\u1ee7a h\u1ecdc sinh v\u1edbi \u0111i\u1ec3m 3 m\u00f4n: To\u00e1n, V\u0103n, Anh. Y\u00eau c\u1ea7u t\u00ednh t\u1ed5ng \u0111i\u1ec3m cho t\u1eebng h\u1ecdc sinh.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">H\u1ecd t\u00ean<\/span><\/td>\n<td><span style=\"font-weight: 400;\">To\u00e1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u0103n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Anh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed5ng \u0111i\u1ec3m<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Nguy\u1ec5n An<\/span><\/td>\n<td><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7<\/span><\/td>\n<td><span style=\"font-weight: 400;\">9<\/span><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tr\u1ea7n B\u00ecnh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">6<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">7<\/span><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">L\u00ea C\u1ea9m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><b>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/b><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Nh\u1eadp c\u00f4ng th\u1ee9c v\u00e0o \u00f4 E2: <\/span><span style=\"font-weight: 400;\">=SUM(B2:D2)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Sao ch\u00e9p c\u00f4ng th\u1ee9c xu\u1ed1ng c\u00e1c h\u00e0ng c\u00f2n l\u1ea1i (E3, E4).<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-7.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-7-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-7-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-476577 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-7.jpg\" alt=\"SUM-7\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-7.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-7-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-7-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Gi\u1ea3i th\u00edch: H\u00e0m <\/span><b>SUM <\/b><span style=\"font-weight: 400;\">c\u1ed9ng c\u00e1c gi\u00e1 tr\u1ecb t\u1eeb c\u1ed9t B \u0111\u1ebfn D c\u1ee7a h\u00e0ng \u0111\u00f3 \u0111\u1ec3 cho ra t\u1ed5ng \u0111i\u1ec3m. \u0110\u00e2y l\u00e0 c\u00e1ch d\u00f9ng h\u00e0m t\u1ed5ng theo h\u00e0ng ngang r\u1ea5t ph\u1ed5 bi\u1ebfn trong b\u00e1o c\u00e1o h\u1ecdc t\u1eadp, \u0111\u00e1nh gi\u00e1, t\u1ed5ng h\u1ee3p theo c\u00e1 nh\u00e2n.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 2: T\u00ednh t\u1ed5ng doanh s\u1ed1 theo \u0111i\u1ec1u ki\u1ec7n<\/span><\/h3>\n<p style=\"text-align: justify;\"><b>B\u00e0i to\u00e1n: <\/b><span style=\"font-weight: 400;\">M\u1ed9t c\u00f4ng ty ghi l\u1ea1i doanh s\u1ed1 theo s\u1ea3n ph\u1ea9m v\u00e0 khu v\u1ef1c. Y\u00eau c\u1ea7u t\u00ednh t\u1ed5ng doanh s\u1ed1 c\u1ee7a \u201cS\u1ea3n ph\u1ea9m A\u201d.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u1ea3n ph\u1ea9m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Khu v\u1ef1c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Doanh s\u1ed1<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1eafc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nam<\/span><\/td>\n<td><span style=\"font-weight: 400;\">80<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Trung<\/span><\/td>\n<td><span style=\"font-weight: 400;\">120<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C<\/span><\/td>\n<td><span style=\"font-weight: 400;\">B\u1eafc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">70<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nam<\/span><\/td>\n<td><span style=\"font-weight: 400;\">90<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><b>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">D\u00f9ng c\u00f4ng th\u1ee9c sau: <\/span><span style=\"font-weight: 400;\">=SUMIF(A2:A6; &#8220;A&#8221;; C2:C6)<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Gi\u1ea3i th\u00edch:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A2:A6<\/span><span style=\"font-weight: 400;\">: v\u00f9ng ch\u1ee9a \u0111i\u1ec1u ki\u1ec7n (t\u00ean s\u1ea3n ph\u1ea9m)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">&#8220;A&#8221;<\/span><span style=\"font-weight: 400;\">: \u0111i\u1ec1u ki\u1ec7n c\u1ea7n t\u00ednh (S\u1ea3n ph\u1ea9m A)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C2:C6<\/span><span style=\"font-weight: 400;\">: v\u00f9ng c\u1ea7n t\u00ednh t\u1ed5ng (doanh s\u1ed1)<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-8.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-8-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-8-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-476578 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-8.jpg\" alt=\"SUM-8\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-8.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-8-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-8-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u1ebft qu\u1ea3: T\u1ed5ng doanh s\u1ed1 c\u1ee7a S\u1ea3n ph\u1ea9m A l\u00e0 100 + 120 + 90 = 310.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u01b0u \u00fd: C\u00f3 th\u1ec3 thay \u0111i\u1ec1u ki\u1ec7n <\/span><span style=\"font-weight: 400;\">&#8220;A&#8221;<\/span><span style=\"font-weight: 400;\"> b\u1eb1ng m\u1ed9t tham chi\u1ebfu \u0111\u1ed9ng, v\u00ed d\u1ee5 <\/span><span style=\"font-weight: 400;\">=SUMIF(A2:A6; E1; C2:C6)<\/span><span style=\"font-weight: 400;\"> n\u1ebfu \u00f4 E1 ch\u1ee9a t\u00ean s\u1ea3n ph\u1ea9m c\u1ea7n t\u00ednh.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 3: T\u00ednh t\u1ed5ng doanh thu nhi\u1ec1u th\u00e1ng t\u1eeb nhi\u1ec1u sheet<\/span><\/h3>\n<p style=\"text-align: justify;\"><b>B\u00e0i to\u00e1n: <\/b><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 ba sheet: Th\u00e1ng1, Th\u00e1ng2, Th\u00e1ng3. M\u1ed7i sheet c\u00f3 c\u00f9ng c\u1ea5u tr\u00fac, \u00f4 B2 ch\u1ee9a doanh thu c\u1ee7a th\u00e1ng \u0111\u00f3. Y\u00eau c\u1ea7u t\u00ednh t\u1ed5ng doanh thu qu\u00fd I trong sheet T\u1ed5ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-9.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-9-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-9-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-476579 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-9.jpg\" alt=\"SUM-9\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-9.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-9-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-9-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><b>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong sheet \u201cT\u1ed5ng\u201d, t\u1ea1i \u00f4 B2, nh\u1eadp c\u00f4ng th\u1ee9c: <\/span><span style=\"font-weight: 400;\">=SUM(Th\u00e1ng1:Th\u00e1ng3!B2)<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Gi\u1ea3i th\u00edch:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Th\u00e1ng1:Th\u00e1ng3!B2<\/span><span style=\"font-weight: 400;\"> l\u00e0 c\u00e1ch tham chi\u1ebfu 3 sheet li\u00ean ti\u1ebfp c\u00f3 c\u00f9ng c\u1ea5u tr\u00fac.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Excel s\u1ebd c\u1ed9ng gi\u00e1 tr\u1ecb t\u1ea1i \u00f4 B2 c\u1ee7a t\u1eebng sheet t\u1eeb Th\u00e1ng1 \u0111\u1ebfn Th\u00e1ng3.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110i\u1ec1u ki\u1ec7n c\u1ea7n:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u00e1c sheet ph\u1ea3i n\u1eb1m li\u00ean ti\u1ebfp v\u00e0 theo th\u1ee9 t\u1ef1 trong workbook.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u00ean sheet ph\u1ea3i \u0111\u00fang, kh\u00f4ng d\u1ea5u c\u00e1ch ho\u1eb7c c\u00f3 th\u1ec3 d\u00f9ng d\u1ea5u nh\u00e1y \u0111\u01a1n n\u1ebfu t\u00ean d\u00e0i.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 m\u1edf r\u1ed9ng: C\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1ch n\u00e0y cho c\u00e1c b\u00e1o c\u00e1o t\u00e0i ch\u00ednh, t\u1ed5ng h\u1ee3p \u0111i\u1ec3m thi, t\u1ed5ng h\u1ee3p s\u1ea3n l\u01b0\u1ee3ng theo th\u00e1ng\/qu\u00fd&#8230;<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi s\u1eed d\u1ee5ng h\u00e0m SUM<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">D\u00f9 h\u00e0m t\u1ed5ng r\u1ea5t d\u1ec5 s\u1eed d\u1ee5ng, nh\u01b0ng trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c v\u1edbi Excel, ng\u01b0\u1eddi d\u00f9ng v\u1eabn c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i m\u1ed9t s\u1ed1 l\u1ed7i ph\u1ed5 bi\u1ebfn khi\u1ebfn k\u1ebft qu\u1ea3 kh\u00f4ng hi\u1ec3n th\u1ecb \u0111\u00fang ho\u1eb7c kh\u00f4ng c\u1eadp nh\u1eadt nh\u01b0 mong mu\u1ed1n.\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u1ebft qu\u1ea3 c\u1ee7a h\u00e0m SUM l\u00e0 #####<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u00f4 t\u1ea3 l\u1ed7i: Khi nh\u1eadp c\u00f4ng th\u1ee9c h\u00e0m t\u1ed5ng, thay v\u00ec hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3, Excel l\u1ea1i tr\u1ea3 v\u1ec1 m\u1ed9t chu\u1ed7i k\u00fd t\u1ef1 ##### trong \u00f4.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nguy\u00ean nh\u00e2n:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Th\u00f4ng th\u01b0\u1eddng, l\u1ed7i n\u00e0y kh\u00f4ng ph\u1ea3i do sai c\u00f4ng th\u1ee9c, m\u00e0 do \u00f4 ch\u1ee9a k\u1ebft qu\u1ea3 qu\u00e1 h\u1eb9p, kh\u00f4ng \u0111\u1ee7 kh\u00f4ng gian \u0111\u1ec3 hi\u1ec3n th\u1ecb con s\u1ed1.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Excel d\u00f9ng k\u00fd hi\u1ec7u ##### \u0111\u1ec3 b\u00e1o hi\u1ec7u \u0111i\u1ec1u \u0111\u00f3.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-10.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-10-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-10-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-476580 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-10.jpg\" alt=\"SUM-10\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-10.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-10-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-10-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1ch kh\u1eafc ph\u1ee5c:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110\u01b0a chu\u1ed9t v\u00e0o \u0111\u01b0\u1eddng bi\u00ean c\u1ed9t v\u00e0 k\u00e9o r\u1ed9ng c\u1ed9t ra cho \u0111\u1ee7 ch\u1ed7 ch\u1ee9a k\u1ebft qu\u1ea3.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ho\u1eb7c nh\u1ea5n \u0111\u00f4i v\u00e0o \u0111\u01b0\u1eddng vi\u1ec1n c\u1ed9t \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng gi\u00e3n theo chi\u1ec1u d\u00e0i n\u1ed9i dung.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u01b0u \u00fd: N\u1ebfu sau khi k\u00e9o gi\u00e3n c\u1ed9t m\u00e0 v\u1eabn th\u1ea5y l\u1ed7i, h\u00e3y ki\u1ec3m tra xem c\u00f4ng th\u1ee9c c\u00f3 sai kh\u00f4ng, ho\u1eb7c d\u1eef li\u1ec7u c\u00f3 ch\u1ee9a l\u1ed7i \u0111\u1ecbnh d\u1ea1ng kh\u00f4ng (v\u00ed d\u1ee5 \u0111\u1ecbnh d\u1ea1ng ng\u00e0y th\u00e1ng b\u1ecb l\u1ed7i trong v\u00f9ng t\u00ednh t\u1ed5ng).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1eb9o: N\u00ean ki\u1ec3m tra \u0111\u1ecbnh d\u1ea1ng \u00f4 (Number, Currency, Date&#8230;) b\u1eb1ng c\u00e1ch nh\u1ea5n chu\u1ed9t ph\u1ea3i \u2192 Format Cells \u2192 Number \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ecbnh d\u1ea1ng \u0111\u00fang.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">K\u1ebft qu\u1ea3 c\u1ee7a h\u00e0m l\u00e0 #NAME?<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u00f4 t\u1ea3 l\u1ed7i: Thay v\u00ec cho ra k\u1ebft qu\u1ea3, Excel tr\u1ea3 v\u1ec1 l\u1ed7i <\/span><span style=\"font-weight: 400;\">#NAME?<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nguy\u00ean nh\u00e2n:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Sai t\u00ean h\u00e0m <\/span><b>SUM<\/b><span style=\"font-weight: 400;\">, v\u00ed d\u1ee5 vi\u1ebft <\/span><span style=\"font-weight: 400;\">=SUME(A1:A5)<\/span><span style=\"font-weight: 400;\"> thay v\u00ec <\/span><span style=\"font-weight: 400;\">=SUM(A1:A5)<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">D\u00f9ng d\u1ea5u ngo\u1eb7c k\u00e9p kh\u00f4ng \u0111\u00fang, ho\u1eb7c tham chi\u1ebfu \u0111\u1ebfn t\u00ean kh\u00f4ng x\u00e1c \u0111\u1ecbnh.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng d\u1ea5u ph\u1ea9y (,) ho\u1eb7c d\u1ea5u ch\u1ea5m ph\u1ea9y (;) sai quy chu\u1ea9n v\u1edbi ng\u00f4n ng\u1eef c\u00e0i \u0111\u1eb7t Excel.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-11.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-11-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-11-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-476581 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-11.jpg\" alt=\"SUM-11\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-11.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-11-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-11-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1ch kh\u1eafc ph\u1ee5c:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra l\u1ea1i ch\u00ednh t\u1ea3 c\u1ee7a h\u00e0m.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra \u0111\u1ecbnh d\u1ea1ng ng\u00f4n ng\u1eef c\u1ee7a Excel. N\u1ebfu Excel d\u00f9ng ph\u00e2n t\u00e1ch b\u1eb1ng d\u1ea5u <\/span><span style=\"font-weight: 400;\">;<\/span><span style=\"font-weight: 400;\">, b\u1ea1n c\u1ea7n vi\u1ebft c\u00f4ng th\u1ee9c nh\u01b0: <\/span><span style=\"font-weight: 400;\">=SUM(A1;A5)<\/span><span style=\"font-weight: 400;\"> thay v\u00ec <\/span><span style=\"font-weight: 400;\">=SUM(A1,A5)<\/span><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">G\u1ee3i \u00fd: B\u1ea1n n\u00ean s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 g\u1ee3i \u00fd c\u00f4ng th\u1ee9c c\u1ee7a Excel b\u1eb1ng c\u00e1ch g\u00f5 <\/span><span style=\"font-weight: 400;\">=S&#8230;<\/span><span style=\"font-weight: 400;\"> v\u00e0 ch\u1ecdn \u0111\u00fang h\u00e0m t\u1eeb danh s\u00e1ch hi\u1ec7n ra \u0111\u1ec3 h\u1ea1n ch\u1ebf l\u1ed7i sai t\u00ean.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u00e0m SUM kh\u00f4ng \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u00f4 t\u1ea3 l\u1ed7i: B\u1ea1n thay \u0111\u1ed5i d\u1eef li\u1ec7u trong v\u00f9ng t\u00ednh t\u1ed5ng nh\u01b0ng k\u1ebft qu\u1ea3 h\u00e0m t\u1ed5ng kh\u00f4ng thay \u0111\u1ed5i theo.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nguy\u00ean nh\u00e2n:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Excel \u0111ang \u1edf ch\u1ebf \u0111\u1ed9 t\u00ednh to\u00e1n Manual thay v\u00ec Automatic.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">File Excel qu\u00e1 n\u1eb7ng ho\u1eb7c b\u1ecb gi\u00e1n \u0111o\u1ea1n do l\u1ed7i \u0111\u1ecbnh d\u1ea1ng.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-12.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-12-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-12-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-476582 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-12.jpg\" alt=\"SUM-12\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-12.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-12-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-12-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1ch kh\u1eafc ph\u1ee5c:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1edf tab Formulas \u2192 Calculation Options \u2192 ch\u1ecdn Automatic.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">N\u1ebfu v\u1eabn ch\u01b0a th\u1ea5y c\u1eadp nh\u1eadt, nh\u1ea5n F9 \u0111\u1ec3 t\u00ednh l\u1ea1i to\u00e0n b\u1ed9 workbook.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra l\u1ea1i c\u00f4ng th\u1ee9c t\u1ed5ng c\u00f3 \u0111\u00fang v\u00f9ng kh\u00f4ng, tr\u00e1nh vi\u1ec7c c\u00f4ng th\u1ee9c v\u1eabn tham chi\u1ebfu v\u00f9ng c\u0169 sau khi b\u1ea1n ch\u00e8n ho\u1eb7c x\u00f3a d\u00f2ng\/c\u1ed9t.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u01b0u \u00fd: V\u1edbi nh\u1eefng t\u1ec7p Excel l\u1edbn ch\u1ee9a h\u00e0ng ngh\u00ecn d\u00f2ng, Excel c\u00f3 th\u1ec3 t\u1ea1m d\u1eebng c\u1eadp nh\u1eadt \u0111\u1ec3 t\u1ed1i \u01b0u hi\u1ec7u n\u0103ng. B\u1ea1n c\u1ea7n ch\u1ee7 \u0111\u1ed9ng nh\u1ea5n F9 ho\u1eb7c b\u1eadt ch\u1ebf \u0111\u1ed9 Automatic \u0111\u1ec3 c\u1eadp nh\u1eadt d\u1eef li\u1ec7u li\u00ean t\u1ee5c.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u00e0m SUM b\u1ecf qua d\u1eef li\u1ec7u<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u00f4 t\u1ea3 l\u1ed7i: K\u1ebft qu\u1ea3 h\u00e0m t\u1ed5ng nh\u1ecf h\u01a1n mong \u0111\u1ee3i, kh\u00f4ng t\u00ednh \u0111\u1ee7 c\u00e1c gi\u00e1 tr\u1ecb.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nguy\u00ean nh\u00e2n:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">V\u00f9ng d\u1eef li\u1ec7u ch\u1ee9a \u00f4 tr\u1ed1ng, \u00f4 ch\u1ee9a v\u0103n b\u1ea3n ho\u1eb7c gi\u00e1 tr\u1ecb l\u1ed7i (nh\u01b0 <\/span><span style=\"font-weight: 400;\">#N\/A<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">#DIV\/0!<\/span><span style=\"font-weight: 400;\">).<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">H\u00e0m t\u1ed5ng ch\u1ec9 t\u00ednh gi\u00e1 tr\u1ecb d\u1ea1ng s\u1ed1, n\u00ean s\u1ebd b\u1ecf qua c\u00e1c \u00f4 kh\u00f4ng h\u1ee3p l\u1ec7.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-13.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-13-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-13-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-476583 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-13.jpg\" alt=\"SUM-13\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-13.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-13-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-13-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1ch kh\u1eafc ph\u1ee5c:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra t\u1eebng \u00f4 trong v\u00f9ng c\u1ea7n t\u00ednh t\u1ed5ng, \u0111\u1ea3m b\u1ea3o kh\u00f4ng ch\u1ee9a v\u0103n b\u1ea3n ho\u1eb7c l\u1ed7i.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">D\u00f9ng c\u00f4ng c\u1ee5 Go To Special (Ctrl + G \u2192 Special) \u0111\u1ec3 ch\u1ecdn nhanh c\u00e1c \u00f4 ch\u1ee9a l\u1ed7i.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 d\u00f9ng h\u00e0m IFERROR ho\u1eb7c ISNUMBER k\u1ebft h\u1ee3p v\u1edbi t\u1ed5ng \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u b\u1ecb l\u1ed7i.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: <\/span><span style=\"font-weight: 400;\">=SUM(IF(ISNUMBER(A1:A5), A1:A5, 0))<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">(L\u01b0u \u00fd: c\u1ea7n nh\u1ea5n Ctrl + Shift + Enter \u0111\u1ec3 \u00e1p d\u1ee5ng m\u1ea3ng.)<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">H\u00e0m SUM t\u00ednh sai do \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u00f4 t\u1ea3 l\u1ed7i: C\u00f4ng th\u1ee9c \u0111\u00fang nh\u01b0ng k\u1ebft qu\u1ea3 kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c b\u1eb1ng 0.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nguy\u00ean nh\u00e2n:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 \u00f4 tr\u00f4ng gi\u1ed1ng s\u1ed1 nh\u01b0ng th\u1ef1c ch\u1ea5t l\u00e0 d\u1eef li\u1ec7u d\u1ea1ng v\u0103n b\u1ea3n, Excel s\u1ebd b\u1ecf qua khi t\u00ednh t\u1ed5ng.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-14.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-14-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2025\/07\/SUM-14-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-476584 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-14.jpg\" alt=\"SUM-14\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-14.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-14-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2025\/07\/SUM-14-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1ch kh\u1eafc ph\u1ee5c:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ch\u1ecdn v\u00f9ng d\u1eef li\u1ec7u \u2192 v\u00e0o Format Cells \u2192 ch\u1ecdn Number.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ho\u1eb7c s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 Text to Columns tr\u00ean tab Data \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u v\u1ec1 d\u1ea1ng s\u1ed1.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">D\u00f9ng h\u00e0m <\/span><span style=\"font-weight: 400;\">VALUE()<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 chuy\u1ec3n v\u0103n b\u1ea3n th\u00e0nh s\u1ed1 trong c\u00f4ng th\u1ee9c trung gian.<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u1eddi k\u1ebft<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Qua b\u00e0i vi\u1ebft, b\u1ea1n \u0111\u00e3 hi\u1ec3u r\u00f5 v\u1ec1 c\u00fa ph\u00e1p, c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 c\u00e1c t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng h\u00e0m <strong>SUM<\/strong> trong Excel, t\u1eeb nh\u1eefng ph\u00e9p c\u1ed9ng \u0111\u01a1n gi\u1ea3n cho \u0111\u1ebfn t\u1ed5ng h\u1ee3p c\u00f3 \u0111i\u1ec1u ki\u1ec7n v\u00e0 li\u00ean sheet. Vi\u1ec7c n\u1eafm v\u1eefng c\u00e1c d\u1ea1ng h\u00e0m t\u1ed5ng nh\u01b0 SUMIF, SUMIFS hay SUMPRODUCT kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n l\u00e0m ch\u1ee7 c\u00e1c b\u1ea3ng t\u00ednh ph\u1ee9c t\u1ea1p m\u00e0 c\u00f2n n\u00e2ng cao kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch v\u00e0 tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u. H\u00e3y luy\u1ec7n t\u1eadp th\u01b0\u1eddng xuy\u00ean v\u1edbi c\u00e1c v\u00ed d\u1ee5 th\u1ef1c t\u1ebf \u0111\u1ec3 thu\u1ea7n th\u1ee5c h\u00e0m t\u1ed5ng v\u00e0 \u1ee9ng d\u1ee5ng linh ho\u1ea1t trong c\u00f4ng vi\u1ec7c h\u00e0ng ng\u00e0y.<\/span><\/p>\n<p style=\"text-align: justify;\"><strong>XEM TH\u00caM:<\/strong><\/p>\n<p><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/vlookup-excel\/\">H\u00e0m VLOOKUP Excel: C\u00fa ph\u00e1p v\u00e0 c\u00e1ch d\u00f9ng h\u00e0m, k\u00e8m v\u00ed d\u1ee5 minh h\u1ecda<\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/trong-excel-co-nghia-la-gi\/\">#### trong Excel c\u00f3 ngh\u0129a l\u00e0 g\u00ec? C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i c\u1ef1c \u0111\u01a1n gi\u1ea3n<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u00e0m SUM l\u00e0 m\u1ed9t trong nh\u1eefng h\u00e0m t\u00ednh to\u00e1n c\u01a1 b\u1ea3n v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t trong Excel, \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c x\u1eed l\u00fd s\u1ed1 li\u1ec7u t\u1eeb \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn ph\u1ee9c t\u1ea1p. D\u00f9 b\u1ea1n l\u00e0 nh\u00e2n vi\u00ean v\u0103n ph\u00f2ng, k\u1ebf to\u00e1n hay nh\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u, vi\u1ec7c th\u00e0nh th\u1ea1o h\u00e0m t\u1ed5ng s\u1ebd [&hellip;]<\/p>\n","protected":false},"author":65,"featured_media":476570,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28955,16,412],"tags":[],"class_list":["post-476569","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-excel","category-thu-thuat","category-thu-thuat-may-tinh"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>H\u00e0m SUM trong Excel: C\u00fa ph\u00e1p v\u00e0 c\u00e1ch d\u00f9ng k\u00e8m v\u00ed d\u1ee5 minh h\u1ecda<\/title>\n<meta name=\"description\" content=\"Ho\u00e0ng H\u00e0 Mobile s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 c\u00fa ph\u00e1p, c\u00e1ch d\u00f9ng, c\u00e1c bi\u1ebfn th\u1ec3 c\u1ee7a h\u00e0m SUM nh\u01b0 SUMIF, SUMIFS, SUMPRODUCT c\u00f9ng lo\u1ea1t v\u00ed d\u1ee5 minh h\u1ecda.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/sum\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u00e0m SUM trong Excel: C\u00fa ph\u00e1p v\u00e0 c\u00e1ch d\u00f9ng k\u00e8m v\u00ed d\u1ee5 minh h\u1ecda chi ti\u1ebft\" \/>\n<meta property=\"og:description\" content=\"Ho\u00e0ng H\u00e0 Mobile s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 c\u00fa ph\u00e1p, c\u00e1ch d\u00f9ng, c\u00e1c bi\u1ebfn th\u1ec3 c\u1ee7a h\u00e0m SUM nh\u01b0 SUMIF, SUMIFS, SUMPRODUCT c\u00f9ng lo\u1ea1t v\u00ed d\u1ee5 minh h\u1ecda.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hoanghamobile.com\/tin-tuc\/sum\/\" \/>\n<meta property=\"og:site_name\" content=\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - 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