{"id":270592,"date":"2023-10-10T20:55:23","date_gmt":"2023-10-10T13:55:23","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=270592"},"modified":"2023-10-10T20:55:23","modified_gmt":"2023-10-10T13:55:23","slug":"ham-len","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/ham-len\/","title":{"rendered":"C\u00fa ph\u00e1p v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m LEN trong Excel"},"content":{"rendered":"

H\u00e0m LEN<\/b> l\u00e0 m\u1ed9t trong nh\u1eefng h\u00e0m c\u01a1 b\u1ea3n v\u00e0 quan tr\u1ecdng trong Excel, c\u0169ng nh\u01b0 Google Sheet. V\u1edbi h\u00e0m t\u00ednh LEN, b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft c\u00f4ng vi\u1ec7c c\u1ee7a m\u00ecnh si\u00eau nhanh. V\u1eady c\u00fa ph\u00e1p v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m n\u00e0y trong Excel l\u00e0 nh\u01b0 th\u1ebf n\u00e0o? Ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u ngay trong b\u00e0i vi\u1ebft n\u00e0y c\u1ee7a Ho\u00e0ng H\u00e0 Mobile nh\u00e9.<\/span><\/p>\n

Kh\u00e1i ni\u1ec7m h\u00e0m LEN l\u00e0 g\u00ec?<\/b><\/h2>\n

Trong Microsoft Excel, h\u00e0m t\u00ednh LEN l\u00e0 m\u1ed9t trong nh\u1eefng h\u00e0m t\u00edch h\u1ee3p s\u1eb5n m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a m\u1ed9t chu\u1ed7i k\u00fd t\u1ef1<\/strong> trong m\u1ed9t \u00f4 ho\u1eb7c m\u1ed9t v\u00f9ng d\u1eef li\u1ec7u. Ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n c\u1ee7a h\u00e0m l\u00e0 tr\u1ea3 v\u1ec1 s\u1ed1 k\u00fd t\u1ef1 c\u00f3 trong chu\u1ed7i, bao g\u1ed3m c\u1ea3 ch\u1eef c\u00e1i, s\u1ed1, d\u1ea5u c\u00e1ch v\u00e0 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t.<\/span><\/p>\n

\"ham-len-1\"<\/p>\n

C\u1ee5 th\u1ec3, h\u00e0m t\u00ednh LEN tr\u1ea3 v\u1ec1 m\u1ed9t gi\u00e1 tr\u1ecb s\u1ed1 nguy\u00ean bi\u1ec3u th\u1ecb t\u1ed5ng s\u1ed1 k\u00fd t\u1ef1 trong chu\u1ed7i \u0111\u1ea7u v\u00e0o. V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n c\u00f3 chu\u1ed7i “Hello, World”, th\u00ec n\u00f3 s\u1ebd c\u00f3 k\u1ebft qu\u1ea3 l\u00e0 12 gi\u00e1 tr\u1ecb, bao g\u1ed3m c\u1ea3 ch\u1eef c\u00e1i v\u00e0 d\u1ea5u ph\u1ea9y.<\/span><\/p>\n

H\u00e0m \u0111\u1ebfm k\u00fd t\u1ef1 LEN th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau. Ch\u1eb3ng h\u1ea1n nh\u01b0 ki\u1ec3m tra r\u00e0ng bu\u1ed9c v\u1ec1 \u0111\u1ed9 d\u00e0i c\u1ee7a d\u1eef li\u1ec7u hay t\u00ednh to\u00e1n \u0111\u1ed9 d\u00e0i trung b\u00ecnh c\u1ee7a c\u00e1c chu\u1ed7i v\u0103n b\u1ea3n. Ho\u1eb7c trong vi\u1ec7c x\u1eed l\u00fd v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u0103n b\u1ea3n trong c\u00e1c \u1ee9ng d\u1ee5ng, b\u1ea3ng t\u00ednh c\u0169ng s\u1eed d\u1ee5ng \u0111\u1ebfn h\u00e0m n\u00e0y.<\/span><\/p>\n

L\u1ee3i \u00edch khi s\u1eed d\u1ee5ng h\u00e0m LEN trong Excel v\u00e0 Google Sheet<\/b><\/h2>\n

Vi\u1ec7c Microsoft ph\u00e1t tri\u1ec3n c\u1ea3 m\u1ed9t “h\u1ec7 sinh th\u00e1i” h\u00e0m t\u00ednh to\u00e1n trong Excel \u0111\u1ec1u c\u00f3 ch\u1ee7 \u0111\u00edch. Theo \u0111\u00f3, Microsoft x\u00e2y d\u1ef1ng danh s\u00e1ch c\u00e1c h\u00e0m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo nhi\u1ec1u t\u00ednh n\u0103ng kh\u00e1c nhau. V\u1eady ch\u1ee9c n\u0103ng v\u00e0 l\u1ee3i \u00edch c\u1ee7a h\u00e0m t\u00ednh LEN l\u00e0 g\u00ec? B\u1ea1n c\u1ea7n hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c th\u00f4ng tin b\u00ean d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 bi\u1ebft c\u00e1ch v\u1eadn d\u1ee5ng t\u1ed1t nh\u1ea5t.<\/span><\/p>\n

Ki\u1ec3m tra d\u1eef li\u1ec7u kh\u00f4ng h\u1ee3p l\u1ec7<\/b><\/h3>\n

B\u00ean c\u1ea1nh gi\u00fap ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u00e0i c\u1ee7a chu\u1ed7i, h\u00e0m \u0111\u1ebfm n\u00e0y c\u00f2n gi\u00fap ki\u1ec3m tra d\u1eef li\u1ec7u kh\u00f4ng h\u1ee3p l\u1ec7 ho\u1eb7c thi\u1ebfu s\u00f3t d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0i c\u1ee7a n\u00f3. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra xem s\u1ed1 \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e3 zip code c\u00f3 \u0111\u00fang \u0111\u1ed9 d\u00e0i kh\u00f4ng. Nh\u01b0 v\u1eady, b\u1ea1n s\u1ebd ph\u1ea7n n\u00e0o ki\u1ec3m tra \u0111\u01b0\u1ee3c t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a data.\u00a0<\/span><\/p>\n

\"ham-len-2\"<\/p>\n

Hay b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p h\u00e0m Excel LEN c\u00f9ng v\u1edbi m\u1ed9t s\u1ed1 h\u00e0m \u0111\u1eb7c bi\u1ec7t kh\u00e1c. T\u1eeb \u0111\u00f3, b\u1ea1n s\u1ebd \u0111\u00e1nh d\u1ea5u \u0111\u01b0\u1ee3c c\u00e1c d\u1eef li\u1ec7u kh\u00f4ng h\u1ee3p l\u1ec7 b\u1eb1ng c\u00e1ch t\u1ea1o c\u00e1c quy t\u1eafc \u0111i\u1ec1u ki\u1ec7n \u0111\u01a1n gi\u1ea3n nh\u1ea5t. Nh\u01b0ng s\u1eed d\u1ee5ng h\u00e0m \u0111\u1ebfm chu\u1ed7i k\u1ebft h\u1ee3p v\u1edbi h\u00e0m kh\u00e1c nh\u01b0 th\u1ebf n\u00e0o? \u0110\u00e2y l\u00e0 th\u1eafc m\u1eafc chung c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi. V\u00e0 b\u1ea1n c\u00f3 th\u1ec3 y\u00ean t\u00e2m v\u00ec Ho\u00e0ng H\u00e0 Mobile s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft th\u1ee7 thu\u1eadt k\u1ebft h\u1ee3p h\u00e0m trong Excel \u1edf ph\u1ea7n cu\u1ed1i b\u00e0i vi\u1ebft n\u00e0y nh\u00e9.<\/span><\/p>\n

Chu\u1ea9n h\u00f3a \u0111\u1ecbnh d\u1ea1ng v\u0103n b\u1ea3n<\/b><\/h3>\n

M\u1eb7c d\u00f9 ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a h\u00e0m Excel LEN ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a chu\u1ed7i k\u00fd t\u1ef1 ho\u1eb7c d\u1eef li\u1ec7u v\u0103n b\u1ea3n. Nh\u01b0ng n\u1ebfu ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t m\u00ecnh h\u00e0m \u0111\u1ebfm chu\u1ed7i th\u00ec s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ecbnh d\u1ea1ng hi\u1ec3n th\u1ecb c\u1ee7a d\u1eef li\u1ec7u, m\u00e0 ch\u1ec9 tr\u1ea3 v\u1ec1 m\u1ed9t s\u1ed1 nguy\u00ean bi\u1ec3u th\u1ecb s\u1ed1 k\u00fd t\u1ef1 trong chu\u1ed7i \u0111\u00f3.<\/span><\/p>\n

\"ham-len-3\"<\/p>\n

Tuy nhi\u00ean, theo th\u1ee7 thu\u1eadt n\u00e2ng cao h\u01a1n, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chu\u1ea9n h\u00f3a \u0111\u1ecbnh d\u1ea1ng hi\u1ec3n th\u1ecb d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 \u0111\u1ed9 d\u00e0i c\u1ee7a h\u00e0m. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng <\/span>h\u00e0m LEN<\/b> \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 d\u00e0i c\u1ee7a m\u1ed9t chu\u1ed7i v\u0103n b\u1ea3n v\u00e0 sau \u0111\u00f3 s\u1eed d\u1ee5ng \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 thay \u0111\u1ed5i \u0111\u1ecbnh d\u1ea1ng hi\u1ec3n th\u1ecb c\u1ee7a d\u1eef li\u1ec7u d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 \u0111\u00f3. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m IF \u0111\u1ec3 ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n. V\u00e0 sau \u0111\u00f3 \u00e1p d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng hi\u1ec3n th\u1ecb t\u01b0\u01a1ng \u1ee9ng d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 c\u1ee7a h\u00e0m \u0111\u1ebfm LEN.<\/span><\/p>\n

V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng m\u1ed9t ki\u1ec3u ch\u1eef m\u00e0u \u0111\u1ecf cho c\u00e1c chu\u1ed7i v\u0103n b\u1ea3n c\u00f3 \u0111\u1ed9 d\u00e0i v\u01b0\u1ee3t qu\u00e1 m\u1ed9t ng\u01b0\u1ee1ng n\u00e0o \u0111\u00f3 \u0111\u1ec3 t\u1ea1o s\u1ef1 nh\u1ea5n m\u1ea1nh ho\u1eb7c c\u1ea3nh b\u00e1o cho ng\u01b0\u1eddi d\u00f9ng. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, b\u1ea1n s\u1ebd d\u00f9ng h\u00e0m t\u00ednh LEN \u0111\u1ec3 xem \u0111\u1ed9 d\u00e0i c\u1ee7a m\u1ed7i chu\u1ed7i. N\u1ebfu chu\u1ed7i n\u00e0o kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u00fang s\u1ed1 l\u01b0\u1ee3ng k\u00fd t\u1ef1 theo \u0111i\u1ec1u ki\u1ec7n IF c\u1ee7a b\u1ea1n th\u00ec n\u00f3 s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c v\u00f4 m\u00e0u \u0111\u1ecf.<\/span><\/p>\n

H\u1ed7 tr\u1ee3 t\u00e1ch d\u1eef li\u1ec7u<\/b><\/h3>\n

Th\u1ef1c t\u1ebf, kh\u00f4ng nhi\u1ec1u ng\u01b0\u1eddi bi\u1ebft \u0111\u1ebfn t\u00ednh n\u0103ng t\u00e1ch data c\u1ee7a h\u00e0m \u0111\u1ebfm k\u00fd t\u1ef1 chu\u1ed7i. B\u1edfi v\u00ec h\u1ecd ngh\u0129, h\u00e0m n\u00e0y ch\u1ec9 s\u1eed d\u1ee5ng theo m\u1ed9t c\u00e1ch th\u00f4ng th\u01b0\u1eddng l\u00e0 \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a d\u1eef li\u1ec7u. Tuy nhi\u00ean, v\u1edbi m\u1ed9t s\u1ed1 t\u1ec7p d\u1eef li\u1ec7u y\u00eau c\u1ea7n x\u1eed l\u00fd n\u00e2ng cao h\u01a1n, v\u00ed d\u1ee5 nh\u01b0 khi b\u1ea1n c\u00f3 m\u1ed9t danh s\u00e1ch t\u00ean \u0111\u1ea7y \u0111\u1ee7, h\u00e0m \u0111\u1ebfm LEN c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a d\u1ea5u c\u00e1ch cu\u1ed1i c\u00f9ng trong chu\u1ed7i. \u0110\u1ed3ng th\u1eddi, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0m LEFT ho\u1eb7c RIGHT \u0111\u1ec3 t\u00e1ch t\u00ean v\u00e0 h\u1ecd ra m\u1ed9t c\u00e1ch chi ti\u1ebft nh\u1ea5t.<\/span><\/p>\n

\"ham-len-4\"<\/p>\n

Ho\u1eb7c \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u1ecba ch\u1ec9 email, h\u00e0m Excel LEN c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a k\u00fd t\u1ef1 “@”. V\u00e0 sau \u0111\u00f3, b\u1ea1n s\u1ebd t\u00e1ch t\u00ean ng\u01b0\u1eddi d\u00f9ng, c\u0169ng nh\u01b0 t\u00ean mi\u1ec1n d\u1ec5 d\u00e0ng h\u01a1n. Hay h\u00e0m \u0111\u1ebfm chu\u1ed7i c\u0169ng c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a c\u00e1c s\u1ed1 trong m\u1ed9t chu\u1ed7i \u0111\u1ec3 t\u00e1ch s\u1ed1 \u0111i\u1ec7n tho\u1ea1i ra kh\u1ecfi v\u0103n b\u1ea3n kh\u00e1c.<\/span><\/p>\n

Nh\u00ecn chung, <\/span>h\u00e0m LEN<\/b> kh\u00f4ng ph\u1ea3i l\u00e0 c\u00f4ng c\u1ee5 ch\u00ednh \u0111\u1ec3 t\u00e1ch d\u1eef li\u1ec7u, nh\u01b0ng n\u00f3 cung c\u1ea5p th\u00f4ng tin v\u1ec1 \u0111\u1ed9 d\u00e0i c\u1ee7a d\u1eef li\u1ec7u. T\u1eeb \u0111\u00f3 gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed v\u00e0 ph\u1ea1m vi c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n trong chu\u1ed7i. Nh\u01b0 v\u1eady, b\u1ea1n c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c file Excel chuy\u00ean nghi\u1ec7p h\u01a1n.<\/span><\/p>\n

Chu\u1ea9n x\u00e1c d\u1eef li\u1ec7u v\u00e0 ti\u1ebft ki\u1ec7m th\u1eddi gian<\/b><\/h3>\n

Th\u00eam m\u1ed9t l\u1ee3i \u00edch kh\u00e1c c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng h\u00e0m Excel LEN, \u0111\u00f3 ch\u00ednh l\u00e0 \u0111\u1ea3m b\u1ea3o ch\u00ednh x\u00e1c th\u00f4ng tin. B\u1eb1ng c\u00e1ch \u0111\u1ebfm t\u1ef1 \u0111\u1ed9ng s\u1ed1 k\u00fd t\u1ef1 trong chu\u1ed7i, h\u00e0m t\u00ednh LEN s\u1ebd lo\u1ea1i b\u1ecf c\u00e1c sai s\u00f3t c\u00f3 th\u1ec3 x\u1ea3y ra, thay v\u00ec b\u1ea1n c\u1ed1 g\u1eafng \u0111\u1ebfm th\u1ee7 c\u00f4ng t\u1eebng k\u00fd t\u1ef1. Kh\u00f4ng nh\u1eefng th\u1ebf, khi d\u1eef li\u1ec7u thay \u0111\u1ed5i, k\u1ebft qu\u1ea3 c\u1ee7a h\u00e0m s\u1ebd t\u1ef1 \u0111\u1ed9ng c\u1eadp nh\u1eadt. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n lu\u00f4n c\u00f3 th\u00f4ng tin v\u1ec1 \u0111\u1ed9 d\u00e0i m\u1edbi nh\u1ea5t c\u1ee7a d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n t\u1eeb ban \u0111\u1ea7u.<\/span><\/p>\n

\"ham-len-5\"<\/p>\n

V\u00e0 t\u1ea5t nhi\u00ean l\u1ee3i \u00edch tuy\u1ec7t v\u1eddi nh\u1ea5t c\u1ee7a h\u00e0m \u0111\u1ebfm chu\u1ed7i l\u00e0 gi\u00fap ng\u01b0\u1eddi d\u00f9ng ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u th\u1eddi gian. Th\u00f4ng qua c\u00e1c thao t\u00e1c t\u1ef1 \u0111\u1ed9ng, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c cho m\u1ed9t \u00f4 ho\u1eb7c m\u1ed9t d\u00e3y \u00f4 d\u1eef li\u1ec7u. V\u00e0 \u0111i\u1ec1u n\u00e0y th\u1eadt s\u1ef1 r\u1ea5t h\u1eefu \u00edch khi b\u1ea1n l\u00e0m vi\u1ec7c v\u1edbi nhi\u1ec1u d\u00f2ng d\u1eef li\u1ec7u ho\u1eb7c c\u1ea7n \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a nhi\u1ec1u chu\u1ed7i c\u00f9ng m\u1ed9t l\u00fac.<\/span><\/p>\n

C\u00fa ph\u00e1p v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m \u0111\u1ebfm k\u00fd t\u1ef1 LEN trong Excel<\/b><\/h2>\n

C\u00fa ph\u00e1p c\u1ee7a h\u00e0m \u0111\u1ebfm k\u00fd t\u1ef1 LEN trong Excel kh\u00e1 \u0111\u01a1n gi\u1ea3n. \u0110\u1ec3 s\u1eed d\u1ee5ng <\/span>h\u00e0m LEN<\/b>, b\u1ea1n ch\u1ec9 c\u1ea7n nh\u1eadp theo c\u00f4ng th\u1ee9c: \u201c<\/span>=LEN(\u0111\u1ed1i t\u01b0\u1ee3ng)<\/b>\u201d. Trong \u0111\u00f3, \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 \u00f4 c\u1ea7n \u0111o \u0111\u1ed9 d\u00e0i ho\u1eb7c chu\u1ed7i k\u00fd t\u1ef1 m\u00e0 b\u1ea1n mu\u1ed1n t\u00ednh to\u00e1n.<\/span><\/p>\n

Ngay sau khi c\u00f3 \u0111\u01b0\u1ee3c c\u00f4ng th\u1ee9c th\u00ec ch\u00fang ta s\u1ebd tri\u1ec3n khai th\u1ef1c h\u00e0nh v\u1edbi v\u00ed d\u1ee5 nh\u01b0 h\u00ecnh minh h\u1ecda sau \u0111\u00e2y b\u1ea1n nh\u00e9.<\/span><\/p>\n

B\u01b0\u1edbc 1: \u0110\u1ea7u ti\u00ean, b\u1ea1n \u0111\u1ecdc h\u00e3y ch\u1ecdn m\u1ed9t \u00f4 tr\u1ed1ng b\u1ea5t k\u1ef3 trong b\u1ea3ng Excel v\u00e0 ti\u1ebfn h\u00e0nh nh\u1eadp c\u00f4ng th\u1ee9c h\u00e0m \u0111\u1ebfm k\u00fd t\u1ef1 LEN. L\u01b0u \u00fd, v\u1edbi h\u01b0\u1edbng d\u1eabn n\u00e0y b\u1ea1n ch\u1ec9 c\u1ea7n th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc tr\u00ean 1 \u00f4 m\u00e0 th\u00f4i.<\/span><\/p>\n

\"ham-len-6\"<\/p>\n

B\u01b0\u1edbc 2: Sau khi nh\u1eadp c\u00f4ng th\u1ee9c b\u1ea1n ch\u1ecdn n\u00fat \u201cEnter\u201d, nh\u01b0 v\u1eady l\u00e0 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 nhanh trong t\u00edch t\u1eaft r\u1ed3i b\u1ea1n nh\u00e9. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n \u0111\u1ecdc mu\u1ed1n \u0111\u1ebfm th\u00eam nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n th\u00ec h\u00e3y th\u1ef1c hi\u1ec7n ti\u1ebfp b\u01b0\u1edbc 3.<\/span><\/p>\n

\"ham-len-7\"<\/p>\n

B\u01b0\u1edbc 3: \u1ede b\u01b0\u1edbc cu\u1ed1i c\u00f9ng n\u00e0y, b\u1ea1n nh\u1ea5n gi\u1eef c\u1ea1nh cu\u1ed1i c\u00f9ng c\u1ee7a \u00f4 nh\u01b0 h\u00ecnh \u00f4 t\u1ea3 v\u00e0 k\u00e9o xu\u1ed1ng \u0111\u1ebfn nh\u1eefng chu\u1ed7i d\u1eef li\u1ec7u m\u00e0 b\u1ea1n c\u1ea7n \u0111\u1ebfm k\u00fd t\u1ef1. L\u01b0u \u00fd, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c th\u00ec ng\u01b0\u1eddi d\u00f9ng n\u00ean ki\u1ec3m tra l\u1ea1i ng\u1eabu nhi\u00ean c\u00e1c \u00f4 c\u00f4ng th\u1ee9c nh\u00e9.<\/span><\/p>\n

\"ham-len-8\"<\/p>\n

C\u00e1ch s\u1eed d\u1ee5ng h\u00e0m LEN k\u1ebft h\u1ee3p v\u1edbi h\u00e0m kh\u00e1c<\/b><\/h2>\n

Vi\u1ec7c s\u1eed d\u1ee5ng nhi\u1ec1u h\u00e0m k\u1ebft h\u1ee3p v\u1edbi nhau s\u1ebd m\u1edf ra c\u01a1 h\u1ed9i t\u00ednh to\u00e1n v\u00e0 x\u1eed l\u00fd c\u00e1c file d\u1eef li\u1ec7u d\u1ec5 d\u00e0ng h\u01a1n. Kh\u00f4ng nh\u1eefng th\u1ebf, b\u1ea1n c\u0169ng s\u1ebd linh ho\u1ea1t h\u01a1n trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 ph\u1ee9c t\u1ea1p. V\u00ec v\u1eady, b\u1ea1n h\u00e3y d\u00e0nh th\u00eam \u00edt ph\u00fat \u0111\u1ec3 qua n\u1ed9i dung b\u00ean d\u01b0\u1edbi \u0111\u00e2y c\u1ee7a ch\u00fang t\u00f4i nh\u00e9.<\/span><\/p>\n

K\u1ebft h\u1ee3p v\u1edbi h\u00e0m \u0111i\u1ec1u ki\u1ec7n IF<\/b><\/h3>\n

B\u1ed9 \u0111\u00f4i h\u00e0m Excel LEN v\u00e0 IF lu\u00f4n \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi v\u1eadn d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0i c\u1ee7a d\u1eef li\u1ec7u. N\u1ebfu nh\u01b0 LEN s\u1ebd gi\u00fap b\u1ea1n \u0111\u1ebfm \u0111\u01b0\u1ee3c k\u00fd t\u1ef1. V\u1eady th\u00ec IF s\u1ebd cho ph\u00e9p b\u1ea1n thi\u1ebft l\u1eadp \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0nh \u0111\u1ed9ng c\u1ea7n th\u1ef1c hi\u1ec7n d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 c\u1ee7a h\u00e0m t\u00ednh LEN.<\/span><\/p>\n

V\u00ed d\u1ee5 nh\u01b0 b\u00e0i to\u00e1n sau \u0111\u00e2y, \u1edf c\u1ed9t C n\u1ebfu nh\u1eefng ai c\u00f3 \u0111\u1ed9 d\u00e0i t\u00ean l\u1edbn h\u01a1n 15 th\u00ec n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb l\u00e0 \u201ct\u00ean d\u00e0i\u201d. Ng\u01b0\u1ee3c l\u1ea1i, v\u1edbi nh\u1eefng ai c\u00f3 \u0111\u1ed9 d\u00e0i t\u00ean nh\u1ecf h\u01a1n 15 th\u00ec s\u1ebd \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp v\u00e0o m\u1ee5c \u201ct\u00ean ng\u1eafn\u201d. V\u00e0 \u0111\u1ec3 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c b\u00e0i to\u00e1n n\u00e0y ch\u00fang ta c\u1ea7n ph\u1ea3i c\u00f3 s\u1ee9c m\u1ea1nh c\u1ee7a c\u1ea3 h\u00e0m IF v\u00e0 LEN.<\/span><\/p>\n

B\u01b0\u1edbc 1: \u0110\u1ea7u ti\u00ean, b\u1ea1n s\u1ebd tri\u1ec3n khai c\u00f4ng th\u1ee9c d\u1ef1a theo \u0111i\u1ec1u ki\u1ec7n c\u1ee7a b\u00e0i to\u00e1n: \u201c<\/span>=IF(LEN(C2)>15;”T\u00ean d\u00e0i”;”T\u00ean ng\u1eafn”)<\/b>\u201d.<\/span><\/p>\n

\"ham-len-9\"<\/p>\n

B\u01b0\u1edbc 2: B\u1ea1n s\u1ebd nh\u1ea5n \u201cEnter\u201d \u0111\u1ec3 k\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1 \u1edf m\u1ed9t \u00f4 ch\u1ecdn nh\u01b0 h\u00ecnh minh h\u1ecda.<\/span><\/p>\n

\"ham-len-10\"<\/p>\n

B\u01b0\u1edbc 3: Ti\u1ebfp \u0111\u1ebfn, b\u1ea1n s\u1ebd b\u00f4i \u0111en d\u00e3y \u00f4 t\u1eeb E2 \u0111\u1ebfn E8, sau \u0111\u00f3 b\u1ea1n nh\u1ea5n ch\u1ecdn ti\u1ebfp v\u00e0o t\u1ed5 h\u1ee3p ph\u00edm \u201cCtrl+D\u201d \u0111\u1ec3 sao ch\u00e9p c\u00f4ng th\u1ee9c. Nh\u01b0 v\u1eady l\u00e0 ch\u00fang ta \u0111\u00e3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 \u0111\u1ed9 d\u00e0i t\u00ean, c\u0169ng nh\u01b0 s\u1eafp x\u1ebfp \u0111i\u1ec1u ki\u1ec7n cho d\u1eef li\u1ec7u ch\u00ednh x\u00e1c r\u1ed3i nh\u00e9.<\/span><\/p>\n

\"ham-len-11\"<\/p>\n

K\u1ebft h\u1ee3p v\u1edbi h\u00e0m LEFT ho\u1eb7c RIGHT<\/b><\/h3>\n

V\u1edbi c\u00f4ng th\u1ee9c b\u00ean d\u01b0\u1edbi \u0111\u00e2y, b\u1ea1n s\u1ebd \u0111\u1ebfm \u0111\u01b0\u1ee3c s\u1ed1 k\u00fd t\u1ef1 n\u1eb1m ph\u00eda b\u00ean tr\u00e1i v\u00e0 sau m\u1ed9t v\u00e0i k\u00fd t\u1ef1 m\u1eb7c \u0111\u1ecbnh nh\u01b0 “-“, “_”, “\/”, …V\u00e0 b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c<\/span> h\u00e0m LEN<\/b> n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o c\u00e1c chu\u1ed7i \u0111\u1ed9ng d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0i ho\u1eb7c n\u1ed9i dung c\u1ee7a d\u1eef li\u1ec7u ban \u0111\u1ea7u.\u00a0<\/span><\/p>\n

T\u1ea1i \u0111\u00e2y ch\u00fang ta c\u00f3 b\u00e0i to\u00e1n t\u00ednh l\u00e0 \u201cL\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00ednh \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u00e0i c\u1ee7a k\u00fd t\u1ef1 sau d\u1ea5u g\u1ea1ch n\u1ed1i m\u1ed9t kho\u1ea3ng tr\u1eafng?\u201d H\u00e3y xem h\u00ecnh minh h\u1ecda sau \u0111\u00e2y \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng bi\u1ebft v\u1ea5n \u0111\u1ec1 m\u00ecnh c\u1ea7n gi\u1ea3i quy\u1ebft l\u00e0 \u1edf \u0111\u00e2u nh\u00e9.<\/span><\/p>\n

\"ham-len-12\"<\/p>\n

V\u00e0 \u0111\u00e1p \u00e1n c\u1ee7a b\u00e0i vi\u1ebft n\u00e0y l\u00e0 t\u1ea1i \u00f4 E2 b\u1ea1n s\u1ebd nh\u1eadp v\u00e0o c\u00f4ng th\u1ee9c \u201c<\/span>=LEN(LEFT(C2;SEARCH(“-“;C2)-1))<\/b>\u201d. Ngay l\u1eadp t\u1ee9c b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 8 k\u00fd t\u1ef1 \u1edf \u00f4 n\u00e0y. Ti\u1ebfp t\u1ee5c, \u0111\u1ec3 sao ch\u00e9p c\u00f4ng th\u1ee9c sang c\u00e1c \u00f4 kh\u00e1c th\u00ec b\u1ea1n ch\u1ec9 c\u1ea7n b\u00f4i \u0111en v\u00e0 nh\u1ea5n t\u1ed5 h\u1ee3p ph\u00edm \u201cCtrl+D\u201d.<\/span><\/p>\n

\"ham-len-13\"<\/p>\n

T\u01b0\u01a1ng t\u1ef1, n\u1ebfu b\u1ea1n mu\u1ed1n \u0111\u1ebfm c\u00e1c k\u00fd t\u1ef1 n\u1eb1m b\u00ean tay ph\u1ea3i d\u1eef li\u1ec7u th\u00ec ch\u1ec9 c\u1ea7n \u0111i\u1ec1n c\u00f4ng th\u1ee9c l\u00e0 \u201c=LEN(RIGHT(C2;SEARCH(“-“;C2)-1))\u201d.<\/span><\/p>\n

K\u1ebft h\u1ee3p v\u1edbi h\u00e0m x\u00f3a TRIM<\/b><\/h3>\n

H\u00e0m TRIM gi\u00fap b\u1ea1n lo\u1ea1i b\u1ecf c\u00e1c kho\u1ea3ng tr\u1eafng d\u01b0 th\u1eeba \u1edf \u0111\u1ea7u v\u00e0 cu\u1ed1i chu\u1ed7i. Khi n\u00f3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi h\u00e0m \u0111\u1ebfm k\u00fd t\u1ef1 LEN, b\u1ea1n c\u00f3 th\u1ec3 \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a chu\u1ed7i sau khi lo\u1ea1i b\u1ecf kho\u1ea3ng tr\u1eafng. T\u1eeb \u0111\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n kh\u00f4ng t\u00ednh nh\u1ea7m kho\u1ea3ng tr\u1eafng v\u00e0o \u0111\u1ed9 d\u00e0i th\u1ef1c s\u1ef1 c\u1ee7a d\u1eef li\u1ec7u. H\u01a1n th\u1ebf, khi s\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n m\u1ec1m k\u1ebf to\u00e1n hi\u1ec7n nay, b\u1ea1n r\u1ea5t kh\u00f3 \u0111\u1ec3 nh\u1eadn bi\u1ebft ra c\u00e1c kho\u1ea3ng tr\u1ed1ng kh\u00f4ng c\u1ea7n thi\u1ebft. Ch\u00ednh v\u00ec v\u1eady, vi\u1ec7c bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p 2 h\u00e0m Excel TRIM v\u00e0 IF l\u00e0 h\u1ebft s\u1ee9c c\u1ea7n thi\u1ebft.<\/span><\/p>\n

\u0110\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c th\u00ec ch\u00fang ta c\u00f3 c\u00f4ng th\u1ee9c \u201c=LEN(TRIM(TEXT))\u201d. Trong \u0111\u00f3, \u201cTEXT\u201d th\u1ec3 hi\u1ec7n cho \u00f4 d\u1eef li\u1ec7u m\u00e0 ch\u00fang ta mu\u1ed1n t\u00ednh to\u00e1n. \u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n th\u00ec b\u1ea1n h\u00e3y nh\u00ecn v\u00e0o h\u00ecnh m\u00f4 t\u1ea3<\/span> h\u00e0m LEN<\/b> b\u00ean d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/span><\/p>\n

\"ham-len-14\"<\/p>\n

K\u1ebft h\u1ee3p v\u1edbi h\u00e0m t\u1ed5ng SUM<\/b><\/h3>\n

Th\u00eam m\u1ed9t th\u1ee7 thu\u1eadt t\u00ednh to\u00e1n Excel tuy\u1ec7t v\u1eddi kh\u00e1c m\u00e0 b\u1ea1n c\u1ea7n bi\u1ebft \u0111\u1ebfn. \u0110\u00f3 ch\u00ednh l\u00e0 ch\u00fang ta s\u1ebd v\u1eadn d\u1ee5ng t\u00ednh n\u0103ng c\u1ee7a c\u1ea3 2 h\u00e0m t\u1ed5ng SUM v\u00e0 h\u00e0m \u0111\u1ebfm k\u00fd t\u1ef1 LEN. V\u1edbi c\u00f4ng th\u1ee9c n\u00e0y, ch\u00fang ta c\u00f3 th\u1ec3 \u0111\u1ebfm \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u00e0i t\u1ed5ng c\u1ed9ng c\u1ee7a nhi\u1ec1u k\u00fd t\u1ef1 trong trang t\u00ednh m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.<\/span><\/p>\n

B\u01b0\u1edbc 1: B\u1ea1n \u0111\u1ecdc h\u00e3y nh\u1eadp t\u00ecm m\u1ed9t \u00f4 tr\u1ed1ng b\u1ea5t k\u1ef3 v\u00e0 nh\u1eadp v\u00e0o c\u00f4ng th\u1ee9c \u201c<\/span>=SUM(LEN(Text);LEN(Text);LEN(Text))<\/b>\u201d.\u00a0<\/span><\/p>\n

\"ham-len-15\"<\/p>\n

B\u01b0\u1edbc 2: Ti\u1ebfp t\u1ee5c b\u1ea1n s\u1ebd nh\u1ea5n ch\u1ecdn Enter \u0111\u1ec3 Excel hi\u1ec3u \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u v\u00e0 tr\u1ea3 k\u1ebft qu\u1ea3. Ch\u1ec9 v\u1edbi hai b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n nh\u01b0 v\u1eady l\u00e0 b\u1ea1n \u0111\u00e3 c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 c\u1ee7a m\u00ecnh r\u1ed3i nh\u00e9.<\/span><\/p>\n

\"ham-len-16\"<\/p>\n

L\u01b0u \u00fd khi s\u1eed d\u1ee5ng h\u00e0m LEN trong Excel v\u00e0 Google Sheet<\/b><\/h2>\n

D\u00f9 h\u00e0m t\u00ednh LEN r\u1ea5t ti\u1ec7n l\u1ee3i, c\u0169ng nh\u01b0 n\u00f3 c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi nhi\u1ec1u h\u00e0m \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau. Tuy nhi\u00ean, khi s\u1eed d\u1ee5ng h\u00e0m t\u00ednh n\u00e0y, b\u1ea1n \u0111\u1ecdc c\u0169ng n\u00ean l\u01b0u \u00fd m\u1ed9t v\u00e0i \u0111i\u1ec1u quan tr\u1ecdng. \u0110\u1ec3 t\u1eeb \u0111\u00f3, b\u1ea1n s\u1ebd ghi nh\u1eadn \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c nh\u1ea5t, c\u0169ng nh\u01b0 tr\u00e1nh t\u00ecnh tr\u1ea1ng ph\u1ea3i s\u1eeda \u0111i s\u1eeda l\u1ea1i c\u00f4ng th\u1ee9c.<\/span><\/p>\n

L\u01b0u \u00fd th\u1ee9 nh\u1ea5t l\u00e0 h\u00e0m \u0111\u1ebfm LEN ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng v\u1edbi d\u1eef li\u1ec7u v\u0103n b\u1ea3n v\u00e0 chu\u1ed7i k\u00fd t\u1ef1. N\u00f3 kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng cho c\u00e1c lo\u1ea1i d\u1eef li\u1ec7u kh\u00e1c nh\u01b0 ng\u00e0y th\u00e1ng. N\u1ebfu b\u1ea1n c\u1ed1 g\u1eafng s\u1eed d\u1ee5ng h\u00e0m v\u1edbi ki\u1ec3u d\u1eef li\u1ec7u kh\u00f4ng h\u1ee3p l\u1ec7, n\u00f3 c\u00f3 th\u1ec3 tr\u1ea3 v\u1ec1 l\u1ed7i ho\u1eb7c k\u1ebft qu\u1ea3 kh\u00f4ng mong mu\u1ed1n.<\/span><\/p>\n

\"ham-len-17\"<\/p>\n

Th\u1ee9 hai, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ki\u1ec3m tra d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n <\/span>h\u00e0m t\u00ednh. B\u1edfi v\u00ec n\u1ebfu h\u00e0m n\u00e0y nh\u1eadn th\u00f4ng tin ban \u0111\u1ea7u kh\u00f4ng h\u1ee3p l\u1ec7, n\u00f3 s\u1ebd tr\u1ea3 v\u1ec1 l\u1ed7i gi\u00e1 tr\u1ecb “#VALUE!”. Do \u0111\u00f3, b\u1ea1n \u0111\u1ecdc c\u1ea7n ki\u1ec3m tra, c\u0169ng nh\u01b0 nhanh ch\u00f3ng x\u1eed l\u00fd c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t n\u00e0y.<\/span><\/p>\n

Ngo\u00e0i ra, b\u00ean c\u1ea1nh c\u00e1c h\u00e0m k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c v\u1edbi LEN ch\u00fang t\u00f4i v\u1eeba gi\u1edbi thi\u1ec7u \u1edf tr\u00ean. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng c\u00f4ng th\u1ee9c v\u00e0 tri\u1ec3n khai nhi\u1ec1u th\u1ee7 thu\u1eadt t\u00ednh to\u00e1n n\u00e2ng cao h\u01a1n. Tuy nhi\u00ean, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ph\u1ea3i hi\u1ec3u \u0111\u01b0\u1ee3c \u00fd ngh\u0129a, c\u0169ng nh\u01b0 c\u00e1ch s\u1eed d\u1ee5ng c\u1ee7a t\u1eebng h\u00e0m. Nh\u01b0 v\u1eady, b\u1ea1n m\u1edbi c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u00e1c h\u00e0m Excel v\u00e0 cho ra nh\u1eefng k\u1ebft qu\u1ea3 chuy\u00ean nghi\u1ec7p nh\u1ea5t.<\/span><\/p>\n

K\u1ebft lu\u1eadn<\/b><\/h2>\n

Tr\u00ean \u0111\u00e2y l\u00e0 c\u00f4ng th\u1ee9c v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng <\/span>h\u00e0m LEN <\/b>\u0111\u1ec3 \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a d\u1eef li\u1ec7u v\u0103n b\u1ea3n. C\u00f3 th\u1ec3 n\u00f3i, h\u00e0m n\u00e0y t\u00f9y \u0111\u01a1n gi\u1ea3n nh\u01b0ng r\u1ea5t \u0111a n\u0103ng. \u0110\u1eb7c bi\u1ec7t h\u01a1n, n\u00f3 c\u00f2n c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng trong x\u1eed l\u00fd v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u. H\u01a1n th\u1ebf n\u1eefa, h\u00e0m \u0111\u1ebfm LEN c\u00f2n gi\u00fap t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c d\u1eef li\u1ec7u \u201ckh\u1ee7ng\u201d trong Excel. Ch\u00ednh v\u00ec v\u1eady, b\u1ea1n h\u00e3y \u00e1p d\u1ee5ng ngay c\u00f4ng th\u1ee9c Ho\u00e0ng H\u00e0 Mobile v\u1eeba chia s\u1ebb \u0111\u1ec3 xem k\u1ebft qu\u1ea3 ghi nh\u1eadn \u0111\u01b0\u1ee3c nh\u00e9.<\/span><\/p>\n

Xem th\u00eam:<\/b><\/p>\n