{"id":567269,"date":"2026-07-23T09:47:56","date_gmt":"2026-07-23T02:47:56","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=567269"},"modified":"2026-07-23T09:47:56","modified_gmt":"2026-07-23T02:47:56","slug":"don-thuc-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/","title":{"rendered":"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? \u0110\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u01a1n th\u1ee9c l\u00e0 bi\u1ec3u th\u1ee9c \u0111\u1ea1i s\u1ed1 ch\u1ec9 g\u1ed3m m\u1ed9t s\u1ed1, ho\u1eb7c m\u1ed9t bi\u1ebfn, ho\u1eb7c m\u1ed9t t\u00edch gi\u1eefa c\u00e1c s\u1ed1 v\u00e0 c\u00e1c bi\u1ebfn. V\u00ed d\u1ee5 3x\u00b2y, \u22125, x hay 2xyz \u0111\u1ec1u l\u00e0 \u0111\u01a1n th\u1ee9c. \u0110\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng c\u1ee7a \u0110\u1ea1i s\u1ed1 l\u1edbp 7 v\u00e0 l\u1edbp 8, l\u00e0m c\u01a1 s\u1edf \u0111\u1ec3 b\u1ea1n h\u1ecdc \u0111a th\u1ee9c c\u00f9ng c\u00e1c ph\u00e9p bi\u1ebfn \u0111\u1ed5i bi\u1ec3u th\u1ee9c v\u1ec1 sau. N\u1ebfu b\u1ea1n \u0111ang b\u1ed1i r\u1ed1i tr\u01b0\u1edbc c\u00e1c c\u00e2u h\u1ecfi nh\u01b0 \u0111\u01a1n th\u1ee9c thu g\u1ecdn ra sao, b\u1eadc t\u00ednh th\u1ebf n\u00e0o hay khi n\u00e0o hai \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng, ph\u1ea7n tr\u00ecnh b\u00e0y d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 t\u1eebng kh\u00e1i ni\u1ec7m k\u00e8m v\u00ed d\u1ee5 c\u00f3 l\u1eddi gi\u1ea3i t\u1eebng b\u01b0\u1edbc.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec?<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u01a1n th\u1ee9c l\u00e0 bi\u1ec3u th\u1ee9c \u0111\u1ea1i s\u1ed1 ch\u1ec9 g\u1ed3m m\u1ed9t s\u1ed1, m\u1ed9t bi\u1ebfn, ho\u1eb7c t\u00edch c\u1ee7a nh\u1eefng s\u1ed1 v\u00e0 nh\u1eefng bi\u1ebfn v\u1edbi nhau. Trong \u0111\u00f3, m\u1ed9t s\u1ed1 b\u1ea5t k\u1ef3 c\u0169ng \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t \u0111\u01a1n th\u1ee9c, ri\u00eang s\u1ed1 0 g\u1ecdi l\u00e0 \u0111\u01a1n th\u1ee9c kh\u00f4ng. V\u00ed d\u1ee5 v\u1ec1 \u0111\u01a1n th\u1ee9c: 5; \u22123x; 2x\u00b2y; xy\u00b3. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c bi\u1ec3u th\u1ee9c c\u00f3 ch\u1ee9a ph\u00e9p c\u1ed9ng ho\u1eb7c ph\u00e9p tr\u1eeb gi\u1eefa c\u00e1c h\u1ea1ng t\u1eed nh\u01b0 x + y hay 2x \u2212 1 th\u00ec kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u01a1n th\u1ee9c, v\u00ec ch\u00fang g\u1ed3m nhi\u1ec1u h\u1ea1ng t\u1eed c\u1ed9ng tr\u1eeb v\u1edbi nhau.<\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-569289\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-4.jpg\" alt=\"don-thuc-la-gi-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>\u0110\u01a1n th\u1ee9c thu g\u1ecdn<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u01a1n th\u1ee9c thu g\u1ecdn l\u00e0 \u0111\u01a1n th\u1ee9c ch\u1ec9 g\u1ed3m t\u00edch c\u1ee7a m\u1ed9t s\u1ed1 v\u1edbi c\u00e1c bi\u1ebfn, m\u00e0 m\u1ed7i bi\u1ebfn \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean l\u0169y th\u1eeba v\u1edbi s\u1ed1 m\u0169 nguy\u00ean d\u01b0\u01a1ng v\u00e0 ch\u1ec9 xu\u1ea5t hi\u1ec7n \u0111\u00fang m\u1ed9t l\u1ea7n. S\u1ed1 n\u00f3i tr\u00ean g\u1ecdi l\u00e0 h\u1ec7 s\u1ed1, ph\u1ea7n c\u00f2n l\u1ea1i g\u1ecdi l\u00e0 ph\u1ea7n bi\u1ebfn. V\u00ed d\u1ee5, \u0111\u01a1n th\u1ee9c 2x\u00b73xy\u00b2 sau khi thu g\u1ecdn l\u00e0 6x\u00b2y\u00b2, trong \u0111\u00f3 h\u1ec7 s\u1ed1 l\u00e0 6, ph\u1ea7n bi\u1ebfn l\u00e0 x\u00b2y\u00b2.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c b\u01b0\u1edbc thu g\u1ecdn m\u1ed9t \u0111\u01a1n th\u1ee9c kh\u00e1 \u0111\u01a1n gi\u1ea3n, b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m theo tr\u00ecnh t\u1ef1 sau:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">B\u01b0\u1edbc 1: Nh\u00e2n c\u00e1c h\u1ec7 s\u1ed1 (c\u00e1c s\u1ed1) l\u1ea1i v\u1edbi nhau \u0111\u1ec3 t\u00ecm h\u1ec7 s\u1ed1 chung.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">B\u01b0\u1edbc 2: Gom c\u00e1c bi\u1ebfn gi\u1ed1ng nhau, c\u1ed9ng s\u1ed1 m\u0169 c\u1ee7a ch\u00fang l\u1ea1i (theo quy t\u1eafc nh\u00e2n l\u0169y th\u1eeba c\u00f9ng c\u01a1 s\u1ed1).<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">B\u01b0\u1edbc 3: Vi\u1ebft l\u1ea1i \u0111\u01a1n th\u1ee9c d\u01b0\u1edbi d\u1ea1ng h\u1ec7 s\u1ed1 nh\u00e2n v\u1edbi ph\u1ea7n bi\u1ebfn \u0111\u00e3 g\u1ecdn.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 c\u00f3 l\u1eddi gi\u1ea3i: Thu g\u1ecdn \u0111\u01a1n th\u1ee9c 4x\u00b72x\u00b3y\u00b7(\u22121)y\u00b2. B\u01b0\u1edbc 1, nh\u00e2n h\u1ec7 s\u1ed1: 4 \u00d7 2 \u00d7 (\u22121) = \u22128. B\u01b0\u1edbc 2, gom bi\u1ebfn: x\u00b7x\u00b3 = x\u2074 v\u00e0 y\u00b7y\u00b2 = y\u00b3. B\u01b0\u1edbc 3, k\u1ebft qu\u1ea3 thu g\u1ecdn l\u00e0 \u22128x\u2074y\u00b3, v\u1edbi h\u1ec7 s\u1ed1 \u22128 v\u00e0 ph\u1ea7n bi\u1ebfn x\u2074y\u00b3.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>B\u1eadc c\u1ee7a \u0111\u01a1n th\u1ee9c l\u00e0 g\u00ec<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u1eadc c\u1ee7a \u0111\u01a1n th\u1ee9c c\u00f3 h\u1ec7 s\u1ed1 kh\u00e1c 0 l\u00e0 t\u1ed5ng s\u1ed1 m\u0169 c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c bi\u1ebfn c\u00f3 trong \u0111\u01a1n th\u1ee9c \u0111\u00f3. Mu\u1ed1n t\u00ecm b\u1eadc ch\u00ednh x\u00e1c, b\u1ea1n n\u00ean thu g\u1ecdn \u0111\u01a1n th\u1ee9c tr\u01b0\u1edbc, r\u1ed3i c\u1ed9ng s\u1ed1 m\u0169 c\u1ee7a t\u1eebng bi\u1ebfn l\u1ea1i. V\u00ed d\u1ee5:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u01a1n th\u1ee9c 6x\u00b2y\u00b2 c\u00f3 b\u1eadc l\u00e0 2 + 2 = 4.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u01a1n th\u1ee9c \u22125x\u00b3 c\u00f3 b\u1eadc l\u00e0 3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1ed1 th\u1ef1c kh\u00e1c 0 l\u00e0 \u0111\u01a1n th\u1ee9c b\u1eadc 0; ri\u00eang s\u1ed1 0 l\u00e0 \u0111\u01a1n th\u1ee9c kh\u00f4ng c\u00f3 b\u1eadc.<\/span><\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-569286\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-1.jpg\" alt=\"don-thuc-la-gi-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>\u0110\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Hai \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng l\u00e0 hai \u0111\u01a1n th\u1ee9c c\u00f3 h\u1ec7 s\u1ed1 kh\u00e1c 0 v\u00e0 c\u00f9ng ph\u1ea7n bi\u1ebfn. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c bi\u1ebfn v\u00e0 s\u1ed1 m\u0169 t\u01b0\u01a1ng \u1ee9ng c\u1ee7a ch\u00fang ho\u00e0n to\u00e0n gi\u1ed1ng nhau, ch\u1ec9 kh\u00e1c nhau \u1edf h\u1ec7 s\u1ed1. V\u00ed d\u1ee5: 3x\u00b2y v\u00e0 \u22127x\u00b2y l\u00e0 hai \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng v\u00ec \u0111\u1ec1u c\u00f3 ph\u1ea7n bi\u1ebfn l\u00e0 x\u00b2y. Ng\u01b0\u1ee3c l\u1ea1i, 3x\u00b2y v\u00e0 3xy\u00b2 kh\u00f4ng \u0111\u1ed3ng d\u1ea1ng v\u00ec s\u1ed1 m\u0169 c\u1ee7a x v\u00e0 y \u0111\u00e3 kh\u00e1c nhau.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi th\u1ef1c hi\u1ec7n ph\u00e9p c\u1ed9ng ho\u1eb7c ph\u00e9p tr\u1eeb c\u00e1c \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng, ta ch\u1ec9 c\u1ed9ng ho\u1eb7c tr\u1eeb c\u00e1c h\u1ec7 s\u1ed1 v\u00e0 gi\u1eef nguy\u00ean ph\u1ea7n bi\u1ebfn. V\u00ed d\u1ee5: 3x\u00b2y + (\u22127x\u00b2y) = (3 \u2212 7)x\u00b2y = \u22124x\u00b2y. \u0110\u00e2y l\u00e0 quy t\u1eafc c\u01a1 b\u1ea3n v\u00e0 r\u1ea5t quan tr\u1ecdng khi r\u00fat g\u1ecdn bi\u1ec3u th\u1ee9c hay c\u1ed9ng tr\u1eeb \u0111a th\u1ee9c v\u1ec1 sau.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 c\u00f3 l\u1eddi gi\u1ea3i: R\u00fat g\u1ecdn t\u1ed5ng 5xy\u00b2 + 2xy\u00b2 \u2212 3xy\u00b2. V\u00ec c\u1ea3 ba \u0111\u01a1n th\u1ee9c \u0111\u1ec1u \u0111\u1ed3ng d\u1ea1ng (c\u00f9ng ph\u1ea7n bi\u1ebfn xy\u00b2), ta ch\u1ec9 c\u1ed9ng tr\u1eeb h\u1ec7 s\u1ed1: (5 + 2 \u2212 3)xy\u00b2 = 4xy\u00b2.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>Nh\u00e2n hai \u0111\u01a1n th\u1ee9c v\u00e0 gi\u00e1 tr\u1ecb c\u1ee7a \u0111\u01a1n th\u1ee9c l\u00e0 g\u00ec<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ec3 nh\u00e2n hai \u0111\u01a1n th\u1ee9c, ta th\u1ef1c hi\u1ec7n theo hai b\u01b0\u1edbc: nh\u00e2n c\u00e1c h\u1ec7 s\u1ed1 v\u1edbi nhau v\u00e0 nh\u00e2n c\u00e1c ph\u1ea7n bi\u1ebfn v\u1edbi nhau. Khi nh\u00e2n c\u00e1c ph\u1ea7n bi\u1ebfn c\u00f9ng c\u01a1 s\u1ed1, ta c\u1ed9ng c\u00e1c s\u1ed1 m\u0169 t\u01b0\u01a1ng \u1ee9ng. V\u00ed d\u1ee5: (2x\u00b2y) \u00d7 (3xy\u00b3) = (2 \u00d7 3)(x\u00b2\u00b7x)(y\u00b7y\u00b3) = 6x\u00b3y\u2074.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m\u1ed9t \u0111\u01a1n th\u1ee9c, ta thay c\u00e1c gi\u00e1 tr\u1ecb \u0111\u00e3 cho c\u1ee7a bi\u1ebfn v\u00e0o bi\u1ec3u th\u1ee9c r\u1ed3i th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh theo \u0111\u00fang th\u1ee9 t\u1ef1. V\u00ed d\u1ee5, gi\u00e1 tr\u1ecb c\u1ee7a 2x\u00b2y t\u1ea1i x = 3, y = \u22121 l\u00e0: 2 \u00d7 3\u00b2 \u00d7 (\u22121) = 2 \u00d7 9 \u00d7 (\u22121) = \u221218.<\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-569287\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-2.jpg\" alt=\"don-thuc-la-gi-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>B\u00e0i t\u1eadp v\u1eadn d\u1ee5ng c\u00f3 l\u1eddi gi\u1ea3i<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u1ea1n h\u00e3y th\u1eed l\u00e0m v\u00e0 \u0111\u1ed1i chi\u1ebfu v\u1edbi l\u1eddi gi\u1ea3i t\u1eebng b\u01b0\u1edbc b\u00ean d\u01b0\u1edbi \u0111\u1ec3 n\u1eafm ch\u1eafc ki\u1ebfn th\u1ee9c.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00e0i 1: Thu g\u1ecdn \u0111\u01a1n th\u1ee9c 3x \u00b7 2x\u00b2y. L\u1eddi gi\u1ea3i: nh\u00e2n h\u1ec7 s\u1ed1 3 \u00d7 2 = 6; gom bi\u1ebfn x\u00b7x\u00b2 = x\u00b3 v\u00e0 gi\u1eef y. K\u1ebft qu\u1ea3 = 6x\u00b3y; h\u1ec7 s\u1ed1 6, ph\u1ea7n bi\u1ebfn x\u00b3y.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00e0i 2: T\u00ecm b\u1eadc c\u1ee7a \u0111\u01a1n th\u1ee9c \u22124x\u00b2y\u00b3. L\u1eddi gi\u1ea3i: \u0111\u01a1n th\u1ee9c \u0111\u00e3 thu g\u1ecdn, c\u1ed9ng s\u1ed1 m\u0169 c\u00e1c bi\u1ebfn: b\u1eadc = 2 + 3 = 5.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00e0i 3: C\u1ed9ng hai \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng 5xy\u00b2 v\u00e0 3xy\u00b2. L\u1eddi gi\u1ea3i: c\u00f9ng ph\u1ea7n bi\u1ebfn xy\u00b2 n\u00ean c\u1ed9ng h\u1ec7 s\u1ed1: (5 + 3)xy\u00b2 = 8xy\u00b2.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00e0i 4: Nh\u00e2n hai \u0111\u01a1n th\u1ee9c (\u22122x\u00b2) v\u00e0 (4xy). L\u1eddi gi\u1ea3i: nh\u00e2n h\u1ec7 s\u1ed1 (\u22122 \u00d7 4) = \u22128; nh\u00e2n bi\u1ebfn (x\u00b2\u00b7x) = x\u00b3 v\u00e0 gi\u1eef y. K\u1ebft qu\u1ea3 = \u22128x\u00b3y.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00e0i 5 (tr\u1eafc nghi\u1ec7m): B\u1eadc c\u1ee7a \u0111\u01a1n th\u1ee9c 7x\u00b3y\u00b2 l\u00e0 bao nhi\u00eau? A. 3  B. 5  C. 2  D. 7. L\u1eddi gi\u1ea3i: b\u1eadc = 3 + 2 = 5. \u0110\u00e1p \u00e1n: B.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>Ph\u00e2n bi\u1ec7t \u0111\u01a1n th\u1ee9c v\u00e0 \u0111a th\u1ee9c<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u01a1n th\u1ee9c v\u00e0 \u0111a th\u1ee9c l\u00e0 hai kh\u00e1i ni\u1ec7m c\u00f3 li\u00ean quan nh\u01b0ng r\u1ea5t d\u1ec5 b\u1ecb nh\u1ea7m l\u1eabn. \u0110\u01a1n th\u1ee9c l\u00e0 bi\u1ec3u th\u1ee9c ch\u1ec9 g\u1ed3m m\u1ed9t h\u1ea1ng t\u1eed, kh\u00f4ng ch\u1ee9a ph\u00e9p c\u1ed9ng ho\u1eb7c ph\u00e9p tr\u1eeb gi\u1eefa c\u00e1c h\u1ea1ng t\u1eed. Trong khi \u0111\u00f3, \u0111a th\u1ee9c l\u00e0 t\u1ed5ng ho\u1eb7c hi\u1ec7u c\u1ee7a nhi\u1ec1u \u0111\u01a1n th\u1ee9c. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y gi\u00fap b\u1ea1n so s\u00e1nh nhanh hai kh\u00e1i ni\u1ec7m n\u00e0y.<\/span><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"1\">\n<thead>\n<tr>\n<th style=\"padding: 8px; text-align: left;\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u0110\u01a1n th\u1ee9c<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u0110a th\u1ee9c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\">S\u1ed1 h\u1ea1ng t\u1eed<\/td>\n<td style=\"padding: 8px;\">Ch\u1ec9 m\u1ed9t h\u1ea1ng t\u1eed<\/td>\n<td style=\"padding: 8px;\">M\u1ed9t ho\u1eb7c nhi\u1ec1u h\u1ea1ng t\u1eed<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">Ph\u00e9p c\u1ed9ng\/tr\u1eeb gi\u1eefa c\u00e1c h\u1ea1ng t\u1eed<\/td>\n<td style=\"padding: 8px;\">Kh\u00f4ng c\u00f3<\/td>\n<td style=\"padding: 8px;\">C\u00f3 (khi t\u1eeb hai h\u1ea1ng t\u1eed tr\u1edf l\u00ean)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">V\u00ed d\u1ee5<\/td>\n<td style=\"padding: 8px;\">3x\u00b2y; \u22125; 2xyz<\/td>\n<td style=\"padding: 8px;\">3x\u00b2y + 2x \u2212 1<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\">Quan h\u1ec7<\/td>\n<td style=\"padding: 8px;\">L\u00e0 m\u1ed9t \u0111a th\u1ee9c \u0111\u1eb7c bi\u1ec7t (m\u1ed9t h\u1ea1ng t\u1eed)<\/td>\n<td style=\"padding: 8px;\">Kh\u00f4ng ph\u1ea3i m\u1ecdi \u0111a th\u1ee9c \u0111\u1ec1u l\u00e0 \u0111\u01a1n th\u1ee9c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01a1n gi\u1ea3n r\u1eb1ng m\u1ed7i \u0111\u01a1n th\u1ee9c c\u0169ng l\u00e0 m\u1ed9t \u0111a th\u1ee9c \u0111\u1eb7c bi\u1ec7t ch\u1ec9 g\u1ed3m m\u1ed9t h\u1ea1ng t\u1eed, nh\u01b0ng kh\u00f4ng ph\u1ea3i \u0111a th\u1ee9c n\u00e0o c\u0169ng l\u00e0 \u0111\u01a1n th\u1ee9c. Ghi nh\u1edb \u0111i\u1ec3m kh\u00e1c bi\u1ec7t n\u00e0y s\u1ebd gi\u00fap b\u1ea1n nh\u1eadn d\u1ea1ng v\u00e0 ph\u00e2n lo\u1ea1i c\u00e1c bi\u1ec3u th\u1ee9c \u0111\u1ea1i s\u1ed1 ch\u00ednh x\u00e1c h\u01a1n.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-569288\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-3.jpg\" alt=\"don-thuc-la-gi-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><b>M\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi l\u00e0m b\u00e0i v\u1ec1 \u0111\u01a1n th\u1ee9c<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi m\u1edbi l\u00e0m quen, nhi\u1ec1u b\u1ea1n hay m\u1eafc nh\u1eefng l\u1ed7i nh\u1ecf khi\u1ebfn k\u1ebft qu\u1ea3 sai. B\u1ea1n h\u00e3y l\u01b0u \u00fd c\u00e1c \u0111i\u1ec3m sau:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Nh\u1ea7m quy t\u1eafc s\u1ed1 m\u0169 khi nh\u00e2n: khi nh\u00e2n hai l\u0169y th\u1eeba c\u00f9ng c\u01a1 s\u1ed1 ta c\u1ed9ng s\u1ed1 m\u0169 ch\u1ee9 kh\u00f4ng nh\u00e2n ch\u00fang. V\u00ed d\u1ee5 x\u00b2\u00b7x\u00b3 = x\u2075, kh\u00f4ng ph\u1ea3i x\u2076.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Coi hai \u0111\u01a1n th\u1ee9c kh\u00e1c ph\u1ea7n bi\u1ebfn l\u00e0 \u0111\u1ed3ng d\u1ea1ng: 3x\u00b2y v\u00e0 3xy\u00b2 kh\u00f4ng \u0111\u1ed3ng d\u1ea1ng, n\u00ean kh\u00f4ng th\u1ec3 c\u1ed9ng g\u1ed9p th\u00e0nh m\u1ed9t \u0111\u01a1n th\u1ee9c.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Qu\u00ean thu g\u1ecdn tr\u01b0\u1edbc khi t\u00ecm b\u1eadc: n\u1ebfu m\u1ed9t bi\u1ebfn xu\u1ea5t hi\u1ec7n nhi\u1ec1u l\u1ea7n, b\u1ea1n ph\u1ea3i g\u1ed9p l\u0169y th\u1eeba r\u1ed3i m\u1edbi c\u1ed9ng s\u1ed1 m\u0169 \u0111\u1ec3 t\u00ednh b\u1eadc.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u1ed9ng c\u1ea3 ph\u1ea7n bi\u1ebfn khi c\u1ed9ng hai \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng: ch\u1ec9 c\u1ed9ng h\u1ec7 s\u1ed1 v\u00e0 gi\u1eef nguy\u00ean ph\u1ea7n bi\u1ebfn, v\u00ed d\u1ee5 2x\u00b2y + 3x\u00b2y = 5x\u00b2y ch\u1ee9 kh\u00f4ng ph\u1ea3i 5x\u2074y\u00b2.<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u0111\u01a1n th\u1ee9c<\/b><\/h2>\n<h3 style=\"text-align: justify;\"><b>\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u01a1n th\u1ee9c l\u00e0 bi\u1ec3u th\u1ee9c \u0111\u1ea1i s\u1ed1 g\u1ed3m m\u1ed9t s\u1ed1, m\u1ed9t bi\u1ebfn, ho\u1eb7c t\u00edch c\u1ee7a c\u00e1c s\u1ed1 v\u00e0 c\u00e1c bi\u1ebfn, kh\u00f4ng ch\u1ee9a ph\u00e9p c\u1ed9ng hay ph\u00e9p tr\u1eeb gi\u1eefa c\u00e1c h\u1ea1ng t\u1eed.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>B\u1eadc c\u1ee7a \u0111\u01a1n th\u1ee9c \u0111\u01b0\u1ee3c t\u00ednh th\u1ebf n\u00e0o?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u1eadc c\u1ee7a \u0111\u01a1n th\u1ee9c (h\u1ec7 s\u1ed1 kh\u00e1c 0) b\u1eb1ng t\u1ed5ng s\u1ed1 m\u0169 c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c bi\u1ebfn c\u00f3 trong \u0111\u01a1n th\u1ee9c \u0111\u00f3 sau khi \u0111\u00e3 thu g\u1ecdn.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>\u0110\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng l\u00e0 g\u00ec?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u00e0 c\u00e1c \u0111\u01a1n th\u1ee9c c\u00f3 h\u1ec7 s\u1ed1 kh\u00e1c 0 v\u00e0 c\u00f3 c\u00f9ng ph\u1ea7n bi\u1ebfn, t\u1ee9c l\u00e0 c\u00e1c bi\u1ebfn v\u00e0 s\u1ed1 m\u0169 t\u01b0\u01a1ng \u1ee9ng gi\u1ed1ng h\u1ec7t nhau, ch\u1ec9 kh\u00e1c \u1edf h\u1ec7 s\u1ed1.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>S\u1ed1 5 c\u00f3 ph\u1ea3i \u0111\u01a1n th\u1ee9c kh\u00f4ng?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00f3, m\u1ed9t s\u1ed1 b\u1ea5t k\u1ef3 c\u0169ng l\u00e0 \u0111\u01a1n th\u1ee9c (\u0111\u01a1n th\u1ee9c b\u1eadc 0); ri\u00eang s\u1ed1 0 g\u1ecdi l\u00e0 \u0111\u01a1n th\u1ee9c kh\u00f4ng v\u00e0 kh\u00f4ng c\u00f3 b\u1eadc.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>C\u00e1ch nh\u00e2n hai \u0111\u01a1n th\u1ee9c nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u00e2n c\u00e1c h\u1ec7 s\u1ed1 v\u1edbi nhau, nh\u00e2n c\u00e1c ph\u1ea7n bi\u1ebfn v\u1edbi nhau; v\u1edbi c\u00e1c bi\u1ebfn c\u00f9ng c\u01a1 s\u1ed1 th\u00ec c\u1ed9ng s\u1ed1 m\u0169 t\u01b0\u01a1ng \u1ee9ng.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>\u0110\u01a1n th\u1ee9c kh\u00e1c \u0111a th\u1ee9c \u1edf \u0111i\u1ec3m n\u00e0o?<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u01a1n th\u1ee9c ch\u1ec9 c\u00f3 m\u1ed9t h\u1ea1ng t\u1eed, c\u00f2n \u0111a th\u1ee9c l\u00e0 t\u1ed5ng ho\u1eb7c hi\u1ec7u c\u1ee7a nhi\u1ec1u \u0111\u01a1n th\u1ee9c; m\u1ed7i \u0111\u01a1n th\u1ee9c c\u0169ng l\u00e0 m\u1ed9t \u0111a th\u1ee9c \u0111\u1eb7c bi\u1ec7t.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>K\u1ebft lu\u1eadn<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u00f3m l\u1ea1i, \u0111\u01a1n th\u1ee9c l\u00e0 bi\u1ec3u th\u1ee9c \u0111\u1ea1i s\u1ed1 g\u1ed3m m\u1ed9t s\u1ed1, m\u1ed9t bi\u1ebfn ho\u1eb7c t\u00edch c\u1ee7a c\u00e1c s\u1ed1 v\u00e0 bi\u1ebfn, v\u1edbi b\u1eadc b\u1eb1ng t\u1ed5ng s\u1ed1 m\u0169 c\u00e1c bi\u1ebfn. N\u1eafm v\u1eefng \u0111\u01a1n th\u1ee9c thu g\u1ecdn, \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng v\u00e0 c\u00e1c ph\u00e9p t\u00ednh s\u1ebd gi\u00fap b\u1ea1n h\u1ecdc t\u1ed1t ph\u1ea7n \u0111a th\u1ee9c. \u0110\u1ec3 h\u1ecdc th\u00eam, m\u1eddi b\u1ea1n tham kh\u1ea3o c\u00e1c b\u00e0i<\/span><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/tap-hop-so-nguyen-z-la-gi-giai-ma-toan-dien-ve-z-trong-toan-hoc\/\"> <span style=\"font-weight: 400;\">t\u1eadp h\u1ee3p s\u1ed1 nguy\u00ean Z l\u00e0 g\u00ec<\/span><\/a><span style=\"font-weight: 400;\">,<\/span><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/cong-thuc-to-hop-chinh-hop\/\"> <span style=\"font-weight: 400;\">c\u00f4ng th\u1ee9c t\u1ed5 h\u1ee3p, ch\u1ec9nh h\u1ee3p<\/span><\/a><span style=\"font-weight: 400;\"> v\u00e0<\/span><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/1-nam-anh-sang-bang-bao-nhieu-km\/\"> <span style=\"font-weight: 400;\">m\u1ed9t n\u0103m \u00e1nh s\u00e1ng b\u1eb1ng bao nhi\u00eau km<\/span><\/a><span style=\"font-weight: 400;\"> tr\u00ean chuy\u00ean m\u1ee5c tin t\u1ee9c c\u1ee7a Ho\u00e0ng H\u00e0 Mobile.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>Xem th\u00eam:<\/b><\/p>\n<ul>\n<li>\n<p class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/he-phuong-trinh\/\">H\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh l\u00e0 g\u00ec? C\u00e1ch gi\u1ea3i b\u1eb1ng th\u1ebf v\u00e0 c\u1ed9ng \u0111\u1ea1i s\u1ed1<\/a><\/p>\n<\/li>\n<li>\n<p class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/duong-tron-la-gi\/\">\u0110\u01b0\u1eddng tr\u00f2n l\u00e0 g\u00ec? Y\u1ebfu t\u1ed1, chu vi, di\u1ec7n t\u00edch v\u00e0 ph\u01b0\u01a1ng tr\u00ecnh<\/a><\/p>\n<\/li>\n<\/ul>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u0110\u01a1n th\u1ee9c l\u00e0 bi\u1ec3u th\u1ee9c \u0111\u1ea1i s\u1ed1 g\u1ed3m m\u1ed9t s\u1ed1, m\u1ed9t bi\u1ebfn, ho\u1eb7c t\u00edch c\u1ee7a c\u00e1c s\u1ed1 v\u00e0 c\u00e1c bi\u1ebfn, kh\u00f4ng ch\u1ee9a ph\u00e9p c\u1ed9ng hay ph\u00e9p tr\u1eeb gi\u1eefa c\u00e1c h\u1ea1ng t\u1eed.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"B\u1eadc c\u1ee7a \u0111\u01a1n th\u1ee9c \u0111\u01b0\u1ee3c t\u00ednh th\u1ebf n\u00e0o?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"B\u1eadc c\u1ee7a \u0111\u01a1n th\u1ee9c c\u00f3 h\u1ec7 s\u1ed1 kh\u00e1c 0 b\u1eb1ng t\u1ed5ng s\u1ed1 m\u0169 c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c bi\u1ebfn c\u00f3 trong \u0111\u01a1n th\u1ee9c \u0111\u00f3 sau khi \u0111\u00e3 thu g\u1ecdn.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0110\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng l\u00e0 g\u00ec?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"L\u00e0 c\u00e1c \u0111\u01a1n th\u1ee9c c\u00f3 h\u1ec7 s\u1ed1 kh\u00e1c 0 v\u00e0 c\u00f3 c\u00f9ng ph\u1ea7n bi\u1ebfn, t\u1ee9c l\u00e0 c\u00e1c bi\u1ebfn v\u00e0 s\u1ed1 m\u0169 t\u01b0\u01a1ng \u1ee9ng gi\u1ed1ng h\u1ec7t nhau, ch\u1ec9 kh\u00e1c \u1edf h\u1ec7 s\u1ed1.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"S\u1ed1 5 c\u00f3 ph\u1ea3i \u0111\u01a1n th\u1ee9c kh\u00f4ng?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"C\u00f3, m\u1ed9t s\u1ed1 b\u1ea5t k\u1ef3 c\u0169ng l\u00e0 \u0111\u01a1n th\u1ee9c (\u0111\u01a1n th\u1ee9c b\u1eadc 0); ri\u00eang s\u1ed1 0 g\u1ecdi l\u00e0 \u0111\u01a1n th\u1ee9c kh\u00f4ng v\u00e0 kh\u00f4ng c\u00f3 b\u1eadc.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"C\u00e1ch nh\u00e2n hai \u0111\u01a1n th\u1ee9c nh\u01b0 th\u1ebf n\u00e0o?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Nh\u00e2n c\u00e1c h\u1ec7 s\u1ed1 v\u1edbi nhau, nh\u00e2n c\u00e1c ph\u1ea7n bi\u1ebfn v\u1edbi nhau; v\u1edbi c\u00e1c bi\u1ebfn c\u00f9ng c\u01a1 s\u1ed1 th\u00ec c\u1ed9ng s\u1ed1 m\u0169 t\u01b0\u01a1ng \u1ee9ng.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0110\u01a1n th\u1ee9c kh\u00e1c \u0111a th\u1ee9c \u1edf \u0111i\u1ec3m n\u00e0o?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u0110\u01a1n th\u1ee9c ch\u1ec9 c\u00f3 m\u1ed9t h\u1ea1ng t\u1eed, c\u00f2n \u0111a th\u1ee9c l\u00e0 t\u1ed5ng ho\u1eb7c hi\u1ec7u c\u1ee7a nhi\u1ec1u \u0111\u01a1n th\u1ee9c; m\u1ed7i \u0111\u01a1n th\u1ee9c c\u0169ng l\u00e0 m\u1ed9t \u0111a th\u1ee9c \u0111\u1eb7c bi\u1ec7t.\"\n      }\n    }\n  ]\n}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u01a1n th\u1ee9c l\u00e0 bi\u1ec3u th\u1ee9c \u0111\u1ea1i s\u1ed1 ch\u1ec9 g\u1ed3m m\u1ed9t s\u1ed1, ho\u1eb7c m\u1ed9t bi\u1ebfn, ho\u1eb7c m\u1ed9t t\u00edch gi\u1eefa c\u00e1c s\u1ed1 v\u00e0 c\u00e1c bi\u1ebfn. V\u00ed d\u1ee5 3x\u00b2y, \u22125, x hay 2xyz \u0111\u1ec1u l\u00e0 \u0111\u01a1n th\u1ee9c. \u0110\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng c\u1ee7a \u0110\u1ea1i s\u1ed1 l\u1edbp 7 v\u00e0 l\u1edbp 8, l\u00e0m c\u01a1 s\u1edf \u0111\u1ec3 b\u1ea1n h\u1ecdc \u0111a [&hellip;]<\/p>\n","protected":false},"author":84,"featured_media":569291,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"\u0111\u01a1n th\u1ee9c l\u00e0 g\u00ec","_yoast_wpseo_title":"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? B\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng","_yoast_wpseo_metadesc":"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u \u0111\u1ecbnh ngh\u0129a \u0111\u01a1n th\u1ee9c, \u0111\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng c\u00f9ng v\u00ed d\u1ee5 c\u00f3 l\u1eddi gi\u1ea3i v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng chi ti\u1ebft.","footnotes":""},"categories":[29235,3910,30453],"tags":[],"class_list":["post-567269","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha","category-kien-thuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? B\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng<\/title>\n<meta name=\"description\" content=\"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u \u0111\u1ecbnh ngh\u0129a \u0111\u01a1n th\u1ee9c, \u0111\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng c\u00f9ng v\u00ed d\u1ee5 c\u00f3 l\u1eddi gi\u1ea3i v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng chi ti\u1ebft.\" \/>\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\/don-thuc-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? \u0110\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng\" \/>\n<meta property=\"og:description\" content=\"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u \u0111\u1ecbnh ngh\u0129a \u0111\u01a1n th\u1ee9c, \u0111\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng c\u00f9ng v\u00ed d\u1ee5 c\u00f3 l\u1eddi gi\u1ea3i v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng chi ti\u1ebft.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/\" \/>\n<meta property=\"og:site_name\" content=\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hoanghamobilecom\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/hoanghamobilecom\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-23T02:47:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-0.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"628\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Daisy Daisy\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Daisy Daisy\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/don-thuc-la-gi\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/don-thuc-la-gi\\\/\"},\"author\":{\"name\":\"Daisy Daisy\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#\\\/schema\\\/person\\\/fbfb09918671f672a65debf20f905308\"},\"headline\":\"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? \u0110\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng\",\"datePublished\":\"2026-07-23T02:47:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/don-thuc-la-gi\\\/\"},\"wordCount\":2368,\"publisher\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/don-thuc-la-gi\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/don-thuc-la-gi-0.jpg\",\"articleSection\":[\"G\u00f3c t\u00f2 m\u00f2\",\"Kh\u00e1m Ph\u00e1\",\"Ki\u1ebfn Th\u1ee9c\"],\"inLanguage\":\"vi\",\"copyrightYear\":\"2026\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/don-thuc-la-gi\\\/\",\"url\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/don-thuc-la-gi\\\/\",\"name\":\"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? B\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/don-thuc-la-gi\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/don-thuc-la-gi\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/don-thuc-la-gi-0.jpg\",\"datePublished\":\"2026-07-23T02:47:56+00:00\",\"description\":\"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u \u0111\u1ecbnh ngh\u0129a \u0111\u01a1n th\u1ee9c, \u0111\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng c\u00f9ng v\u00ed d\u1ee5 c\u00f3 l\u1eddi gi\u1ea3i v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng chi ti\u1ebft.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/don-thuc-la-gi\\\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/don-thuc-la-gi\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/don-thuc-la-gi\\\/#primaryimage\",\"url\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/don-thuc-la-gi-0.jpg\",\"contentUrl\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/don-thuc-la-gi-0.jpg\",\"width\":1200,\"height\":628},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/don-thuc-la-gi\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Trang ch\u1ee7\",\"item\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? \u0110\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#website\",\"url\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/\",\"name\":\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#organization\",\"name\":\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile\",\"url\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/wp-content\\\/uploads\\\/2021\\\/12\\\/logo-text.png\",\"contentUrl\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/wp-content\\\/uploads\\\/2021\\\/12\\\/logo-text.png\",\"width\":256,\"height\":37,\"caption\":\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile\"},\"image\":{\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/hoanghamobilecom\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/#\\\/schema\\\/person\\\/fbfb09918671f672a65debf20f905308\",\"name\":\"Daisy Daisy\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/e58ee4eb478d55636644bae43c153ed62a700d924d9ef753f50507408d32e5cf?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/e58ee4eb478d55636644bae43c153ed62a700d924d9ef753f50507408d32e5cf?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/e58ee4eb478d55636644bae43c153ed62a700d924d9ef753f50507408d32e5cf?s=96&d=mm&r=g\",\"caption\":\"Daisy Daisy\"},\"description\":\"M\u00ecnh l\u00e0 Daisy, m\u1ed9t ng\u01b0\u1eddi d\u00f9ng th\u00edch kh\u00e1m ph\u00e1 c\u00f4ng ngh\u1ec7 v\u00e0 chia s\u1ebb nh\u1eefng tr\u1ea3i nghi\u1ec7m th\u1ef1c t\u1ebf. C\u1ea3m \u01a1n m\u1ecdi ng\u01b0\u1eddi \u0111\u00e3 \u0111\u1ecdc v\u00e0 chia s\u1ebb b\u00e0i vi\u1ebft c\u1ee7a m\u00ecnh nh\u00e9.\",\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/hoanghamobilecom\"],\"url\":\"https:\\\/\\\/hoanghamobile.com\\\/tin-tuc\\\/author\\\/nguyen-bao-ni\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? B\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng","description":"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u \u0111\u1ecbnh ngh\u0129a \u0111\u01a1n th\u1ee9c, \u0111\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng c\u00f9ng v\u00ed d\u1ee5 c\u00f3 l\u1eddi gi\u1ea3i v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng chi ti\u1ebft.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/","og_locale":"vi_VN","og_type":"article","og_title":"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? \u0110\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng","og_description":"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u \u0111\u1ecbnh ngh\u0129a \u0111\u01a1n th\u1ee9c, \u0111\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng c\u00f9ng v\u00ed d\u1ee5 c\u00f3 l\u1eddi gi\u1ea3i v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng chi ti\u1ebft.","og_url":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/","og_site_name":"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile","article_publisher":"https:\/\/www.facebook.com\/hoanghamobilecom","article_author":"https:\/\/www.facebook.com\/hoanghamobilecom","article_published_time":"2026-07-23T02:47:56+00:00","og_image":[{"width":1200,"height":628,"url":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-0.jpg","type":"image\/jpeg"}],"author":"Daisy Daisy","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Daisy Daisy","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"7 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/#article","isPartOf":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/"},"author":{"name":"Daisy Daisy","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#\/schema\/person\/fbfb09918671f672a65debf20f905308"},"headline":"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? \u0110\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng","datePublished":"2026-07-23T02:47:56+00:00","mainEntityOfPage":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/"},"wordCount":2368,"publisher":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#organization"},"image":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/#primaryimage"},"thumbnailUrl":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-0.jpg","articleSection":["G\u00f3c t\u00f2 m\u00f2","Kh\u00e1m Ph\u00e1","Ki\u1ebfn Th\u1ee9c"],"inLanguage":"vi","copyrightYear":"2026","copyrightHolder":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#organization"}},{"@type":"WebPage","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/","url":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/","name":"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? B\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng","isPartOf":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#website"},"primaryImageOfPage":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/#primaryimage"},"image":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/#primaryimage"},"thumbnailUrl":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-0.jpg","datePublished":"2026-07-23T02:47:56+00:00","description":"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u \u0111\u1ecbnh ngh\u0129a \u0111\u01a1n th\u1ee9c, \u0111\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng c\u00f9ng v\u00ed d\u1ee5 c\u00f3 l\u1eddi gi\u1ea3i v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng chi ti\u1ebft.","breadcrumb":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/#primaryimage","url":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-0.jpg","contentUrl":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/don-thuc-la-gi-0.jpg","width":1200,"height":628},{"@type":"BreadcrumbList","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/don-thuc-la-gi\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Trang ch\u1ee7","item":"https:\/\/hoanghamobile.com\/tin-tuc\/"},{"@type":"ListItem","position":2,"name":"\u0110\u01a1n th\u1ee9c l\u00e0 g\u00ec? \u0110\u01a1n th\u1ee9c thu g\u1ecdn, b\u1eadc v\u00e0 \u0111\u01a1n th\u1ee9c \u0111\u1ed3ng d\u1ea1ng"}]},{"@type":"WebSite","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#website","url":"https:\/\/hoanghamobile.com\/tin-tuc\/","name":"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile","description":"","publisher":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/hoanghamobile.com\/tin-tuc\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#organization","name":"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile","url":"https:\/\/hoanghamobile.com\/tin-tuc\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#\/schema\/logo\/image\/","url":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2021\/12\/logo-text.png","contentUrl":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2021\/12\/logo-text.png","width":256,"height":37,"caption":"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - HoangHaMobile"},"image":{"@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/hoanghamobilecom"]},{"@type":"Person","@id":"https:\/\/hoanghamobile.com\/tin-tuc\/#\/schema\/person\/fbfb09918671f672a65debf20f905308","name":"Daisy Daisy","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/secure.gravatar.com\/avatar\/e58ee4eb478d55636644bae43c153ed62a700d924d9ef753f50507408d32e5cf?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/e58ee4eb478d55636644bae43c153ed62a700d924d9ef753f50507408d32e5cf?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/e58ee4eb478d55636644bae43c153ed62a700d924d9ef753f50507408d32e5cf?s=96&d=mm&r=g","caption":"Daisy Daisy"},"description":"M\u00ecnh l\u00e0 Daisy, m\u1ed9t ng\u01b0\u1eddi d\u00f9ng th\u00edch kh\u00e1m ph\u00e1 c\u00f4ng ngh\u1ec7 v\u00e0 chia s\u1ebb nh\u1eefng tr\u1ea3i nghi\u1ec7m th\u1ef1c t\u1ebf. C\u1ea3m \u01a1n m\u1ecdi ng\u01b0\u1eddi \u0111\u00e3 \u0111\u1ecdc v\u00e0 chia s\u1ebb b\u00e0i vi\u1ebft c\u1ee7a m\u00ecnh nh\u00e9.","sameAs":["https:\/\/www.facebook.com\/hoanghamobilecom"],"url":"https:\/\/hoanghamobile.com\/tin-tuc\/author\/nguyen-bao-ni\/"}]}},"_links":{"self":[{"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/posts\/567269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/users\/84"}],"replies":[{"embeddable":true,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/comments?post=567269"}],"version-history":[{"count":5,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/posts\/567269\/revisions"}],"predecessor-version":[{"id":569471,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/posts\/567269\/revisions\/569471"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/media\/569291"}],"wp:attachment":[{"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/media?parent=567269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/categories?post=567269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoanghamobile.com\/tin-tuc\/wp-json\/wp\/v2\/tags?post=567269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}