{"id":31286,"date":"2025-05-20T11:48:28","date_gmt":"2025-05-20T04:48:28","guid":{"rendered":"https:\/\/etest.edu.vn\/?p=31286"},"modified":"2025-05-20T13:50:38","modified_gmt":"2025-05-20T06:50:38","slug":"sat-math-formulas","status":"publish","type":"post","link":"https:\/\/etest.edu.vn\/en\/sat-math-formulas\/","title":{"rendered":"SAT Math Formulas \u2013 The \u201csecret\u201d formula to help you get a high score on SAT Math"},"content":{"rendered":"<p>Exam\u00a0<a href=\"https:\/\/etest.edu.vn\/en\/sat-math-formulas\/\"><strong>Sat Math Formulas<\/strong><\/a>\u00a0kh\u00f4ng ch\u1ec9 ki\u1ec3m tra ki\u1ebfn th\u1ee9c l\u00fd thuy\u1ebft m\u00e0 c\u00f2n \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c v\u00e0o th\u1ef1c ti\u1ec5n. Vi\u1ec7c n\u1eafm v\u1eefng nh\u1eefng c\u00f4ng th\u1ee9c \u201cb\u00ed m\u1eadt\u201d s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3i b\u00e0i nhanh h\u01a1n, ch\u00ednh x\u00e1c h\u01a1n v\u00e0 t\u0103ng \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 l\u00e0m b\u00e0i. B\u00e0i vi\u1ebft \u0111\u01b0\u1ee3c\u00a0<a href=\"https:\/\/etest.edu.vn\/en\/\"><strong>ETEST English for Study Abroad<\/strong><\/a>\u00a0chia s\u1ebb d\u01b0\u1edbi \u0111\u00e2y s\u1ebd t\u1ed5ng h\u1ee3p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c c\u00f4ng th\u1ee9c c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea1n t\u1ef1 tin chinh ph\u1ee5c ph\u1ea7n thi\u00a0<a href=\"https:\/\/etest.edu.vn\/en\/hoc-sat-la-gi-va-tam-quan-trong-cua-viet-hoc-sat\/\"><strong>SAT<\/strong><\/a>.<\/p>\n<h2><strong>SAT Math formulas of Heart of Algebra (C\u00f4ng th\u1ee9c c\u1ee7a \u0110\u1ea1i s\u1ed1)<\/strong><\/h2>\n<h3><strong>\u01af\u1edbc s\u1ed1 (Factors)<\/strong><\/h3>\n<ul>\n<li><strong>Kh\u00e1i ni\u1ec7m:<\/strong>\u00a0M\u1ed9t s\u1ed1 l\u00e0\u00a0<strong>\u01b0\u1edbc s\u1ed1<\/strong>\u00a0c\u1ee7a m\u1ed9t s\u1ed1 kh\u00e1c n\u1ebfu s\u1ed1 \u0111\u00f3 chia h\u1ebft cho s\u1ed1 n\u00e0y m\u00e0 kh\u00f4ng c\u00f3 d\u01b0.<\/li>\n<li><strong>C\u00e1ch nh\u1eadn di\u1ec7n:<\/strong>\u00a0B\u1ea1n ch\u1ec9 c\u1ea7n chia s\u1ed1 l\u1edbn cho s\u1ed1 nh\u1ecf, n\u1ebfu chia h\u1ebft th\u00ec s\u1ed1 nh\u1ecf l\u00e0 \u01b0\u1edbc s\u1ed1 c\u1ee7a s\u1ed1 l\u1edbn.<\/li>\n<\/ul>\n<p><strong>For example:<\/strong><\/p>\n<ul>\n<li>\u01af\u1edbc s\u1ed1 c\u1ee7a\u00a0<strong>57<\/strong>\u00a0l\u00e0: 1, 3, 19, v\u00e0 57.<\/li>\n<\/ul>\n<p>Trong \u0111\u00f3: 57 chia h\u1ebft cho 1, 3, 19, v\u00e0 ch\u00ednh n\u00f3 (57) m\u00e0 kh\u00f4ng c\u00f3 d\u01b0.<\/p>\n<h3><strong>B\u1ed9i s\u1ed1 (Multiples)<\/strong><\/h3>\n<ul>\n<li><strong>Kh\u00e1i ni\u1ec7m:<\/strong>\u00a0M\u1ed9t s\u1ed1 l\u00e0\u00a0<strong>b\u1ed9i s\u1ed1<\/strong>\u00a0c\u1ee7a m\u1ed9t s\u1ed1 kh\u00e1c n\u1ebfu k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c nh\u00e2n s\u1ed1 n\u00e0y v\u1edbi m\u1ed9t s\u1ed1 nguy\u00ean b\u1ea5t k\u1ef3.<\/li>\n<li><strong>C\u00e1ch nh\u1eadn di\u1ec7n:<\/strong>\u00a0B\u1ea1n ch\u1ec9 c\u1ea7n nh\u00e2n s\u1ed1 \u0111\u00f3 v\u1edbi c\u00e1c s\u1ed1 nguy\u00ean (1, 2, 3, &#8230;) \u0111\u1ec3 t\u00ecm ra b\u1ed9i s\u1ed1 c\u1ee7a n\u00f3.<\/li>\n<\/ul>\n<p><strong>For example:<\/strong><\/p>\n<ul>\n<li>B\u1ed9i s\u1ed1 c\u1ee7a\u00a0<strong>57<\/strong>\u00a0l\u00e0: 57, 114, 171, 228, 285\u2026<\/li>\n<\/ul>\n<p>Trong \u0111\u00f3: B\u1ea1n c\u00f3 th\u1ec3 nh\u00e2n 57 v\u1edbi c\u00e1c s\u1ed1 nguy\u00ean: 57 x 1 = 57, 57 x 2 = 114, 57 x 3 = 171, v\u00e0 c\u1ee9 ti\u1ebfp t\u1ee5c nh\u01b0 v\u1eady.<br \/>\n<strong>C\u00f4ng th\u1ee9c kho\u1ea3ng c\u00e1ch (Distance Formula)<\/strong><\/p>\n<p>C\u00f4ng th\u1ee9c n\u00e0y d\u00f9ng \u0111\u1ec3 t\u00ednh\u00a0<strong>\u0111o\u1ea1n th\u1eb3ng<\/strong>\u00a0gi\u1eefa hai \u0111i\u1ec3m trong h\u1ec7 t\u1ecda \u0111\u1ed9 vu\u00f4ng g\u00f3c. \u0110\u00f3 l\u00e0 c\u00e1ch s\u1eed d\u1ee5ng \u0111\u1ecbnh l\u00fd Pytago \u0111\u1ec3 t\u00ednh kho\u1ea3ng c\u00e1ch.<\/p>\n<p><strong>Recipe:<\/strong><\/p>\n<figure id=\"attachment_31287\" aria-describedby=\"caption-attachment-31287\" style=\"width: 570px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-1.png\" alt=\"C\u00f4ng th\u1ee9c kho\u1ea3ng c\u00e1ch\" width=\"570\" height=\"128\" \/><figcaption id=\"caption-attachment-31287\" class=\"wp-caption-text\">C\u00f4ng th\u1ee9c kho\u1ea3ng c\u00e1ch<\/figcaption><\/figure>\n<p>In there:<\/p>\n<ul>\n<li><strong>d:<\/strong>\u00a0Kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111i\u1ec3m.<\/li>\n<li><strong>x1, y1:<\/strong>\u00a0T\u1ecda \u0111\u1ed9 \u0111i\u1ec3m \u0111\u1ea7u ti\u00ean.<\/li>\n<li><strong>x2, y2:<\/strong>\u00a0T\u1ecda \u0111\u1ed9 \u0111i\u1ec3m th\u1ee9 hai.<\/li>\n<\/ul>\n<p><strong>For example:\u00a0<\/strong>N\u1ebfu m\u1ed9t \u0111i\u1ec3m c\u00f3 t\u1ecda \u0111\u1ed9 (1, 2) v\u00e0 m\u1ed9t \u0111i\u1ec3m kh\u00e1c c\u00f3 t\u1ecda \u0111\u1ed9 (4, 6), b\u1ea1n c\u00f3 th\u1ec3 thay v\u00e0o c\u00f4ng th\u1ee9c v\u00e0 t\u00ednh to\u00e1n \u0111\u1ec3 t\u00ecm kho\u1ea3ng c\u00e1ch.<\/p>\n<h3><strong>Ph\u01b0\u01a1ng tr\u00ecnh tuy\u1ebfn t\u00ednh (Linear Equation)<\/strong><\/h3>\n<p>Ph\u01b0\u01a1ng tr\u00ecnh tuy\u1ebfn t\u00ednh l\u00e0 m\u1ed9t ph\u01b0\u01a1ng tr\u00ecnh c\u00f3 d\u1ea1ng\u00a0<strong>y = mx + b<\/strong>, trong \u0111\u00f3\u00a0<strong>m<\/strong>\u00a0l\u00e0 \u0111\u1ed9 d\u1ed1c v\u00e0\u00a0<strong>b<\/strong>\u00a0l\u00e0 gi\u00e1 tr\u1ecb c\u1ee7a y khi x = 0 (tung \u0111\u1ed9 g\u1ed1c).<br \/>\n<strong>Recipe:<\/strong><\/p>\n<p>y=mx+by = mx + by=mx+b<\/p>\n<ul>\n<li><strong>m:<\/strong>\u00a0\u0110\u1ed9 d\u1ed1c (slope) c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng.<\/li>\n<li><strong>b:<\/strong>\u00a0H\u1eb1ng s\u1ed1 (y-intercept).<\/li>\n<li><strong>x:<\/strong>\u00a0Bi\u1ebfn \u0111\u1ed9c l\u1eadp.<\/li>\n<\/ul>\n<p><strong>For example:<\/strong><\/p>\n<ul>\n<li>Ph\u01b0\u01a1ng tr\u00ecnh y=2x\u22126y = 2x &#8211; 6y=2x\u22126:\n<ul>\n<li><strong>m = 2<\/strong>: \u0110\u01b0\u1eddng th\u1eb3ng c\u00f3 \u0111\u1ed9 d\u1ed1c 2, t\u1ee9c l\u00e0 v\u1edbi m\u1ed7i \u0111\u01a1n v\u1ecb x, y t\u0103ng l\u00ean 2.<\/li>\n<li><strong>b = -6<\/strong>: Giao \u0111i\u1ec3m v\u1edbi tr\u1ee5c tung (y = -6).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><strong>Nh\u00e2n hai \u0111a th\u1ee9c (Multiplying Polynomials)<\/strong><\/h3>\n<p>\u0110\u1ec3 nh\u00e2n hai \u0111a th\u1ee9c, b\u1ea1n nh\u00e2n t\u1eebng h\u1ea1ng t\u1eed c\u1ee7a \u0111a th\u1ee9c n\u00e0y v\u1edbi t\u1eebng h\u1ea1ng t\u1eed c\u1ee7a \u0111a th\u1ee9c kia v\u00e0 c\u1ed9ng c\u00e1c k\u1ebft qu\u1ea3 l\u1ea1i v\u1edbi nhau.<\/p>\n<p><strong>Recipe:<\/strong><\/p>\n<figure id=\"attachment_31288\" aria-describedby=\"caption-attachment-31288\" style=\"width: 524px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-2.png\" alt=\"Nh\u00e2n hai \u0111a th\u1ee9c\" width=\"524\" height=\"110\" \/><figcaption id=\"caption-attachment-31288\" class=\"wp-caption-text\">Nh\u00e2n hai \u0111a th\u1ee9c<\/figcaption><\/figure>\n<h3><strong>H\u1eb1ng \u0111\u1eb3ng th\u1ee9c \u0111\u00e1ng nh\u1edb (Special Products)<\/strong><\/h3>\n<p>C\u00e1c h\u1eb1ng \u0111\u1eb3ng th\u1ee9c n\u00e0y gi\u00fap b\u1ea1n nh\u00e2n nhanh c\u00e1c bi\u1ec3u th\u1ee9c m\u00e0 kh\u00f4ng ph\u1ea3i m\u1edf r\u1ed9ng t\u1eebng b\u01b0\u1edbc.<\/p>\n<figure id=\"attachment_31289\" aria-describedby=\"caption-attachment-31289\" style=\"width: 516px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-3.png\" alt=\"H\u1eb1ng \u0111\u1eb3ng th\u1ee9c \u0111\u00e1ng nh\u1edb\" width=\"516\" height=\"228\" \/><figcaption id=\"caption-attachment-31289\" class=\"wp-caption-text\">H\u1eb1ng \u0111\u1eb3ng th\u1ee9c \u0111\u00e1ng nh\u1edb<\/figcaption><\/figure>\n<h3><strong>Gi\u00e1 tr\u1ecb tuy\u1ec7t \u0111\u1ed1i (Absolute Value)<\/strong><\/h3>\n<p>Gi\u00e1 tr\u1ecb tuy\u1ec7t \u0111\u1ed1i c\u1ee7a m\u1ed9t s\u1ed1 l\u00e0 kho\u1ea3ng c\u00e1ch t\u1eeb s\u1ed1 \u0111\u00f3 \u0111\u1ebfn 0 tr\u00ean tr\u1ee5c s\u1ed1. N\u00f3 lu\u00f4n lu\u00f4n cho k\u1ebft qu\u1ea3 l\u00e0 s\u1ed1 d\u01b0\u01a1ng ho\u1eb7c b\u1eb1ng 0.<\/p>\n<p><strong>Recipe:<\/strong><\/p>\n<figure id=\"attachment_31290\" aria-describedby=\"caption-attachment-31290\" style=\"width: 578px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-4.png\" alt=\"Gi\u00e1 tr\u1ecb tuy\u1ec7t \u0111\u1ed1i\" width=\"578\" height=\"160\" \/><figcaption id=\"caption-attachment-31290\" class=\"wp-caption-text\">Gi\u00e1 tr\u1ecb tuy\u1ec7t \u0111\u1ed1i<\/figcaption><\/figure>\n<p><strong>For example:<\/strong><\/p>\n<ul>\n<li>\u22233\u2223=3|3| = 3\u22233\u2223=3<\/li>\n<li>\u2223\u22123\u2223=3|-3| = 3\u2223\u22123\u2223=3<\/li>\n<\/ul>\n<h3><strong>H\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t 2 \u1ea9n (Systems of Equations)<\/strong><\/h3>\n<p>\u0110\u00e2y l\u00e0 h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh c\u00f3 hai ph\u01b0\u01a1ng tr\u00ecnh v\u00e0 hai \u1ea9n s\u1ed1. M\u1ee5c ti\u00eau l\u00e0 t\u00ecm gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c \u1ea9n s\u1ed1 n\u00e0y.<\/p>\n<figure id=\"attachment_31291\" aria-describedby=\"caption-attachment-31291\" style=\"width: 578px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-5.png\" alt=\"H\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t 2 \u1ea9n\" width=\"578\" height=\"160\" \/><figcaption id=\"caption-attachment-31291\" class=\"wp-caption-text\">H\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t 2 \u1ea9n<\/figcaption><\/figure>\n<h3><strong>Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai (Quadratic Equation)<\/strong><\/h3>\n<p>\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng tr\u00ecnh c\u00f3 d\u1ea1ng ax2+bx+c=0 v\u00e0 c\u00f3 th\u1ec3 c\u00f3 2 nghi\u1ec7m, 1 nghi\u1ec7m ho\u1eb7c v\u00f4 nghi\u1ec7m t\u00f9y thu\u1ed9c v\u00e0o\u00a0<strong>\u0111\u1ecbnh l\u00fd b\u1eadc hai<\/strong>.<\/p>\n<p><strong>C\u00f4ng th\u1ee9c nghi\u1ec7m:<\/strong><\/p>\n<figure id=\"attachment_31292\" aria-describedby=\"caption-attachment-31292\" style=\"width: 578px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-6.png\" alt=\"C\u00f4ng th\u1ee9c nghi\u1ec7m\" width=\"578\" height=\"160\" \/><figcaption id=\"caption-attachment-31292\" class=\"wp-caption-text\">C\u00f4ng th\u1ee9c nghi\u1ec7m<\/figcaption><\/figure>\n<h2><strong>SAT Math of Problem Solving and Data Analysis (C\u00f4ng th\u1ee9c c\u1ee7a ph\u1ea7n X\u00e1c su\u1ea5t th\u1ed1ng k\u00ea)<\/strong><\/h2>\n<h3><strong>Trung b\u00ecnh c\u1ed9ng (Arithmetic Mean)<\/strong><\/h3>\n<figure id=\"attachment_31293\" aria-describedby=\"caption-attachment-31293\" style=\"width: 622px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-7.png\" alt=\"Trung b\u00ecnh c\u1ed9ng\" width=\"622\" height=\"134\" \/><figcaption id=\"caption-attachment-31293\" class=\"wp-caption-text\">Trung b\u00ecnh c\u1ed9ng<\/figcaption><\/figure>\n<p><strong>In there:<\/strong><\/p>\n<ul>\n<li>a\u02c9: gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ed9ng<\/li>\n<li>a1,a2,&#8230;,ana: c\u00e1c s\u1ed1 h\u1ea1ng<\/li>\n<li>N: s\u1ed1 l\u01b0\u1ee3ng c\u00e1c s\u1ed1 h\u1ea1ng<\/li>\n<\/ul>\n<p><strong>Note:<\/strong>\u00a0Ph\u00e2n bi\u1ec7t gi\u1eefa trung b\u00ecnh c\u1ed9ng (<strong>mean<\/strong>) v\u00e0 trung v\u1ecb (<strong>median<\/strong>).<\/p>\n<ul>\n<li>Trung v\u1ecb l\u00e0 s\u1ed1 n\u1eb1m gi\u1eefa c\u1ee7a m\u1ed9t d\u00e3y s\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n.<\/li>\n<li>N\u1ebfu c\u00f3 2 s\u1ed1 \u1edf gi\u1eefa, trung v\u1ecb = trung b\u00ecnh c\u1ed9ng c\u1ee7a 2 s\u1ed1 \u0111\u00f3.<\/li>\n<\/ul>\n<h3><strong>T\u1ed1c \u0111\u1ed9 trung b\u00ecnh (Average Speed)<\/strong><\/h3>\n<p><strong><em>T\u1ed1c \u0111\u1ed9 trung b\u00ecnh = T\u1ed5ng qu\u00e3ng \u0111\u01b0\u1eddng : T\u1ed5ng th\u1eddi gian\u00a0<\/em><\/strong><\/p>\n<p><strong>\u00c1p d\u1ee5ng khi:<\/strong>\u00a0V\u1eadt chuy\u1ec3n \u0111\u1ed9ng qua nhi\u1ec1u \u0111o\u1ea1n \u0111\u01b0\u1eddng v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau, ta t\u00ednh t\u1ed5ng qu\u00e3ng \u0111\u01b0\u1eddng v\u00e0 t\u1ed5ng th\u1eddi gian \u0111\u1ec3 t\u00ecm t\u1ed1c \u0111\u1ed9 trung b\u00ecnh.<\/p>\n<h3><strong>X\u00e1c su\u1ea5t (Probability)<\/strong><\/h3>\n<figure id=\"attachment_31294\" aria-describedby=\"caption-attachment-31294\" style=\"width: 808px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-8.png\" alt=\"X\u00e1c su\u1ea5t\" width=\"808\" height=\"144\" \/><figcaption id=\"caption-attachment-31294\" class=\"wp-caption-text\">X\u00e1c su\u1ea5t<\/figcaption><\/figure>\n<p><strong>Note:<\/strong><\/p>\n<ul>\n<li>X\u00e1c su\u1ea5t lu\u00f4n n\u1eb1m trong kho\u1ea3ng t\u1eeb 0 \u0111\u1ebfn 1<\/li>\n<li>X\u00e1c su\u1ea5t = 1 \u2192 s\u1ef1 ki\u1ec7n ch\u1eafc ch\u1eafn x\u1ea3y ra<\/li>\n<li>X\u00e1c su\u1ea5t = 0 \u2192 s\u1ef1 ki\u1ec7n ch\u1eafc ch\u1eafn kh\u00f4ng x\u1ea3y ra<\/li>\n<\/ul>\n<h3><strong>Ph\u1ea7n tr\u0103m (Percentages)<\/strong><\/h3>\n<figure id=\"attachment_31295\" aria-describedby=\"caption-attachment-31295\" style=\"width: 1280px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-9.png\" alt=\"Ph\u1ea7n tr\u0103m\" width=\"1280\" height=\"586\" \/><figcaption id=\"caption-attachment-31295\" class=\"wp-caption-text\">Ph\u1ea7n tr\u0103m<\/figcaption><\/figure>\n<h3><strong>L\u00e3i su\u1ea5t \u0111\u01a1n (Simple Interest)<\/strong><\/h3>\n<p><strong>A=P\u00d7r\u00d7t<\/strong><\/p>\n<p><strong>In there:<\/strong><\/p>\n<ul>\n<li>A: s\u1ed1 ti\u1ec1n l\u00e3i thu \u0111\u01b0\u1ee3c<\/li>\n<li>P: s\u1ed1 v\u1ed1n ban \u0111\u1ea7u<\/li>\n<li>r: l\u00e3i su\u1ea5t h\u1eb1ng n\u0103m (d\u01b0\u1edbi d\u1ea1ng th\u1eadp ph\u00e2n)<\/li>\n<li>t: th\u1eddi gian (n\u0103m)<\/li>\n<\/ul>\n<h3><strong>L\u00e3i su\u1ea5t k\u00e9p (Compound Interest)<\/strong><\/h3>\n<figure id=\"attachment_31296\" aria-describedby=\"caption-attachment-31296\" style=\"width: 434px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-10.png\" alt=\"L\u00e3i su\u1ea5t k\u00e9p\" width=\"434\" height=\"146\" \/><figcaption id=\"caption-attachment-31296\" class=\"wp-caption-text\">L\u00e3i su\u1ea5t k\u00e9p<\/figcaption><\/figure>\n<p><strong>In there:<\/strong><\/p>\n<ul>\n<li>A: s\u1ed1 ti\u1ec1n cu\u1ed1i c\u00f9ng sau th\u1eddi gian t\u00edch l\u0169y<\/li>\n<li>P: s\u1ed1 v\u1ed1n ban \u0111\u1ea7u<\/li>\n<li>r: l\u00e3i su\u1ea5t h\u1eb1ng n\u0103m (d\u01b0\u1edbi d\u1ea1ng th\u1eadp ph\u00e2n)<\/li>\n<li>n: s\u1ed1 l\u1ea7n t\u00ednh l\u00e3i trong m\u1ed9t n\u0103m<\/li>\n<li>t: s\u1ed1 n\u0103m<\/li>\n<\/ul>\n<p><strong>For example:<\/strong>\u00a0N\u1ebfu l\u00e3i \u0111\u01b0\u1ee3c t\u00ednh theo qu\u00fd \u2192 n=4n = 4n=4; theo th\u00e1ng \u2192 n=12n = 12n=12<\/p>\n<h2><strong>SAT Math of Additional Topics in Math (C\u00f4ng th\u1ee9c c\u1ee7a ph\u1ea7n H\u00ecnh h\u1ecdc, L\u01b0\u1ee3ng gi\u00e1c, ..)<\/strong><\/h2>\n<h3><strong>C\u00f4ng th\u1ee9c ph\u1ea7n h\u00ecnh h\u1ecdc\u00a0<\/strong><\/h3>\n<p><strong>H\u00ecnh tr\u00f2n<\/strong><\/p>\n<ul>\n<li>Chu vi c\u1ee7a m\u1ed9t v\u00f2ng tr\u00f2n (Circumference of a Circle)<\/li>\n<\/ul>\n<p><strong>C=2\u03c0r<\/strong><\/p>\n<p>Trong \u0111\u00f3 r l\u00e0 b\u00e1n k\u00ednh.<\/p>\n<ul>\n<li>Di\u1ec7n t\u00edch h\u00ecnh tr\u00f2n (Area of a Circle)<\/li>\n<\/ul>\n<figure id=\"attachment_31297\" aria-describedby=\"caption-attachment-31297\" style=\"width: 434px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-11.png\" alt=\"Di\u1ec7n t\u00edch h\u00ecnh tr\u00f2n\" width=\"434\" height=\"146\" \/><figcaption id=\"caption-attachment-31297\" class=\"wp-caption-text\">Di\u1ec7n t\u00edch h\u00ecnh tr\u00f2n<\/figcaption><\/figure>\n<ul>\n<li>\u0110\u1ed9 d\u00e0i cung tr\u00f2n (Length of an arc)<\/li>\n<\/ul>\n<figure id=\"attachment_31298\" aria-describedby=\"caption-attachment-31298\" style=\"width: 434px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-12.png\" alt=\"\u0110\u1ed9 d\u00e0i cung tr\u00f2n\" width=\"434\" height=\"146\" \/><figcaption id=\"caption-attachment-31298\" class=\"wp-caption-text\">\u0110\u1ed9 d\u00e0i cung tr\u00f2n<\/figcaption><\/figure>\n<p><strong>Di\u1ec7n t\u00edch c\u1ee7a m\u1ed9t ph\u1ea7n h\u00ecnh cung (Area of an arc sector)<\/strong><\/p>\n<figure id=\"attachment_31299\" aria-describedby=\"caption-attachment-31299\" style=\"width: 434px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-13.png\" alt=\"Di\u1ec7n t\u00edch c\u1ee7a m\u1ed9t ph\u1ea7n h\u00ecnh cung\" width=\"434\" height=\"146\" \/><figcaption id=\"caption-attachment-31299\" class=\"wp-caption-text\">Di\u1ec7n t\u00edch c\u1ee7a m\u1ed9t ph\u1ea7n h\u00ecnh cung<\/figcaption><\/figure>\n<p><strong>Di\u1ec7n t\u00edch h\u00ecnh ch\u1eef nh\u1eadt (Area of a Rectangle)<\/strong><\/p>\n<p><strong>A=l.w<\/strong><\/p>\n<p>Trong \u0111\u00f3 l l\u00e0 chi\u1ec1u d\u00e0i, w l\u00e0 chi\u1ec1u r\u1ed9ng.<\/p>\n<p><strong>Di\u1ec7n t\u00edch h\u00ecnh tam gi\u00e1c (Area of a Triangle)<\/strong><\/p>\n<figure id=\"attachment_31300\" aria-describedby=\"caption-attachment-31300\" style=\"width: 286px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-14.png\" alt=\"Di\u1ec7n t\u00edch h\u00ecnh tam gi\u00e1c\" width=\"286\" height=\"444\" \/><figcaption id=\"caption-attachment-31300\" class=\"wp-caption-text\">Di\u1ec7n t\u00edch h\u00ecnh tam gi\u00e1c<\/figcaption><\/figure>\n<p>In there:<\/p>\n<ul>\n<li>A: di\u1ec7n t\u00edch h\u00ecnh tam gi\u00e1c<\/li>\n<li>b: chi\u1ec1u d\u00e0i c\u1ea1nh \u0111\u00e1y tam gi\u00e1c<\/li>\n<li>h: chi\u1ec1u cao tam gi\u00e1c.<\/li>\n<\/ul>\n<p><strong>\u0110\u1ecbnh l\u00fd Pythagoras (Py-ta-go) (The Pythagorean Theorem) Tam gi\u00e1c vu\u00f4ng \u0111\u1eb7c bi\u1ec7t\u00a0<\/strong><\/p>\n<figure id=\"attachment_31301\" aria-describedby=\"caption-attachment-31301\" style=\"width: 274px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-15.png\" alt=\"\u0110\u1ecbnh l\u00fd Pythagoras (Py-ta-go)\" width=\"274\" height=\"322\" \/><figcaption id=\"caption-attachment-31301\" class=\"wp-caption-text\">\u0110\u1ecbnh l\u00fd Pythagoras (Py-ta-go)<\/figcaption><\/figure>\n<p>Trong \u0111\u00f3 a,b l\u00e0 hai c\u1ea1nh g\u00f3c vu\u00f4ng, c l\u00e0 c\u1ea1nh huy\u1ec1n.<\/p>\n<p><strong>Tam gi\u00e1c vu\u00f4ng \u0111\u1eb7c bi\u1ec7t:<\/strong><\/p>\n<figure id=\"attachment_31302\" aria-describedby=\"caption-attachment-31302\" style=\"width: 710px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-16.png\" alt=\"Tam gi\u00e1c vu\u00f4ng \u0111\u1eb7c bi\u1ec7t:\" width=\"710\" height=\"304\" \/><figcaption id=\"caption-attachment-31302\" class=\"wp-caption-text\">Tam gi\u00e1c vu\u00f4ng \u0111\u1eb7c bi\u1ec7t:<\/figcaption><\/figure>\n<p><strong>Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh h\u1ed9p ch\u1eef nh\u1eadt (Volume of a Rectangular Solid)<\/strong><\/p>\n<figure id=\"attachment_31303\" aria-describedby=\"caption-attachment-31303\" style=\"width: 332px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-17.png\" alt=\"Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh h\u1ed9p ch\u1eef nh\u1eadt\" width=\"332\" height=\"368\" \/><figcaption id=\"caption-attachment-31303\" class=\"wp-caption-text\">Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh h\u1ed9p ch\u1eef nh\u1eadt<\/figcaption><\/figure>\n<p>In there:<\/p>\n<ul>\n<li><strong>V:<\/strong>\u00a0th\u1ec3 t\u00edch h\u00ecnh h\u1ed9p ch\u1eef nh\u1eadt<\/li>\n<li><strong>l:<\/strong>\u00a0chi\u1ec1u d\u00e0i c\u1ee7a m\u1ed9t trong c\u00e1c c\u1ea1nh<\/li>\n<li><strong>w:<\/strong>\u00a0chi\u1ec1u r\u1ed9ng c\u1ee7a m\u1ed9t trong c\u00e1c c\u1ea1nh<\/li>\n<li><strong>h:<\/strong>\u00a0chi\u1ec1u cao c\u1ee7a h\u00ecnh h\u1ed9p.<\/li>\n<\/ul>\n<p><strong>Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh tr\u1ee5 (Volume of a Cylinder)<\/strong><\/p>\n<figure id=\"attachment_31304\" aria-describedby=\"caption-attachment-31304\" style=\"width: 298px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-18.png\" alt=\"Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh tr\u1ee5\" width=\"298\" height=\"340\" \/><figcaption id=\"caption-attachment-31304\" class=\"wp-caption-text\">Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh tr\u1ee5<\/figcaption><\/figure>\n<p>In there:<\/p>\n<ul>\n<li><strong>V:<\/strong>\u00a0th\u1ec3 t\u00edch h\u00ecnh tr\u1ee5<\/li>\n<li><strong>\u03c0:<\/strong>\u00a0s\u1ed1 pi<\/li>\n<li><strong>r:<\/strong>\u00a0b\u00e1n k\u00ednh c\u1ee7a b\u1ec1 m\u1eb7t tr\u00f2n h\u00ecnh tr\u1ee5.<\/li>\n<li><strong>h:<\/strong>\u00a0chi\u1ec1u cao h\u00ecnh tr\u1ee5.<\/li>\n<\/ul>\n<p><strong>Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh c\u1ea7u (Volume of a Sphere)<\/strong><\/p>\n<figure id=\"attachment_31305\" aria-describedby=\"caption-attachment-31305\" style=\"width: 318px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-19.png\" alt=\"Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh c\u1ea7u\" width=\"318\" height=\"490\" \/><figcaption id=\"caption-attachment-31305\" class=\"wp-caption-text\">Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh c\u1ea7u<\/figcaption><\/figure>\n<p>In there:<\/p>\n<ul>\n<li><strong>V:<\/strong>\u00a0th\u1ec3 t\u00edch h\u00ecnh c\u1ea7u<\/li>\n<li><strong>\u03c0:<\/strong>\u00a0s\u1ed1 pi<\/li>\n<li><strong>r:<\/strong>\u00a0b\u00e1n k\u00ednh h\u00ecnh c\u1ea7u.<\/li>\n<\/ul>\n<p><strong>Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh n\u00f3n (Volume of a Cone)<\/strong><\/p>\n<figure id=\"attachment_31306\" aria-describedby=\"caption-attachment-31306\" style=\"width: 358px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-20.png\" alt=\"Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh n\u00f3n\" width=\"358\" height=\"472\" \/><figcaption id=\"caption-attachment-31306\" class=\"wp-caption-text\">Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh n\u00f3n<\/figcaption><\/figure>\n<p>In there:<\/p>\n<ul>\n<li><strong>V:<\/strong>\u00a0th\u1ec3 t\u00edch h\u00ecnh n\u00f3n<\/li>\n<li><strong>\u03c0:<\/strong>\u00a0s\u1ed1 pi<\/li>\n<li><strong>r:<\/strong>\u00a0b\u00e1n k\u00ednh b\u1ec1 m\u1eb7t tr\u00f2n c\u1ee7a h\u00ecnh n\u00f3n<\/li>\n<li><strong>h:<\/strong>\u00a0chi\u1ec1u cao ph\u1ea7n nh\u1ecdn c\u1ee7a h\u00ecnh n\u00f3n (\u0111o t\u1eeb trung t\u00e2m c\u1ee7a ph\u1ea7n tr\u00f2n c\u1ee7a h\u00ecnh n\u00f3n).<\/li>\n<\/ul>\n<p><strong>Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh ch\u00f3p (Volume of a Pyramid)<\/strong><\/p>\n<figure id=\"attachment_31307\" aria-describedby=\"caption-attachment-31307\" style=\"width: 322px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-21.png\" alt=\"Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh ch\u00f3p\" width=\"322\" height=\"384\" \/><figcaption id=\"caption-attachment-31307\" class=\"wp-caption-text\">Th\u1ec3 t\u00edch c\u1ee7a h\u00ecnh ch\u00f3p<\/figcaption><\/figure>\n<p>In there:<\/p>\n<ul>\n<li><strong>V:<\/strong>\u00a0th\u1ec3 t\u00edch h\u00ecnh ch\u00f3p<\/li>\n<li><strong>l:<\/strong>\u00a0chi\u1ec1u d\u00e0i c\u1ee7a \u0111\u00e1y<\/li>\n<li><strong>w:<\/strong>\u00a0chi\u1ec1u r\u1ed9ng c\u1ee7a \u0111\u00e1y<\/li>\n<li><strong>h:<\/strong>\u00a0chi\u1ec1u cao h\u00ecnh ch\u00f3p (\u0111o t\u1eeb trung t\u00e2m c\u1ee7a ph\u1ea7n h\u00ecnh ch\u1eef nh\u1eadt c\u1ee7a h\u00ecnh ch\u00f3p).<\/li>\n<\/ul>\n<h3><strong>C\u00f4ng th\u1ee9c ph\u1ea7n l\u01b0\u1ee3ng gi\u00e1c<\/strong><\/h3>\n<p><strong>L\u01b0\u1ee3ng gi\u00e1c trong tam gi\u00e1c vu\u00f4ng (Right Triangle Trigonometry)<\/strong><\/p>\n<p>Trong tam gi\u00e1c vu\u00f4ng c\u00f3 ch\u1ee9a g\u00f3c A, c\u00e1c c\u1ea1nh \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean nh\u01b0 sau:<\/p>\n<ul>\n<li>C\u1ea1nh huy\u1ec1n l\u00e0 c\u1ea1nh \u0111\u1ed1i di\u1ec7n v\u1edbi g\u00f3c vu\u00f4ng, l\u00e0 c\u1ea1nh d\u00e0i nh\u1ea5t c\u1ee7a tam gi\u00e1c vu\u00f4ng.<\/li>\n<li>C\u1ea1nh \u0111\u1ed1i l\u00e0 c\u1ea1nh \u0111\u1ed1i di\u1ec7n v\u1edbi g\u00f3c A.<\/li>\n<li>C\u1ea1nh k\u1ec1 l\u00e0 c\u1ea1nh n\u1ed1i gi\u1eefa g\u00f3c A v\u00e0 g\u00f3c vu\u00f4ng.<\/li>\n<\/ul>\n<p>In there:<\/p>\n<p>Sin = c\u1ea1nh \u0111\u1ed1i chia c\u1ea1nh huy\u1ec1n<\/p>\n<p>Cos = c\u1ea1nh k\u1ec1 chia c\u1ea1nh huy\u1ec1n<\/p>\n<p>Tan = c\u1ea1nh \u0111\u1ed1i chia c\u1ea1nh k\u1ec1<\/p>\n<p>Cotan = c\u1ea1nh k\u1ec1 chia c\u1ea1nh \u0111\u1ed1i<\/p>\n<p><strong>C\u00f4ng th\u1ee9c l\u01b0\u1ee3ng gi\u00e1c (Trigonometric Identities)<\/strong><\/p>\n<p>M\u1ed9t s\u1ed1 c\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n c\u1ea7n ghi nh\u1edb:<\/p>\n<figure id=\"attachment_31308\" aria-describedby=\"caption-attachment-31308\" style=\"width: 1302px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/etest.edu.vn\/wp-content\/uploads\/2025\/05\/sat-math-formulas-22.png\" alt=\"C\u00f4ng th\u1ee9c l\u01b0\u1ee3ng gi\u00e1c\" width=\"1302\" height=\"388\" \/><figcaption id=\"caption-attachment-31308\" class=\"wp-caption-text\">C\u00f4ng th\u1ee9c l\u01b0\u1ee3ng gi\u00e1c<\/figcaption><\/figure>\n<p>N\u1eafm v\u1eefng\u00a0<strong>SAT Math formulas<\/strong>\u00a0l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng gi\u00fap b\u1ea1n gi\u1ea3i nhanh, ch\u00ednh x\u00e1c v\u00e0 ti\u1ebft ki\u1ec7m th\u1eddi gian trong ph\u1ea7n thi To\u00e1n SAT. Tuy nhi\u00ean, \u0111\u1ec3 chinh ph\u1ee5c \u0111i\u1ec3m s\u1ed1 cao, b\u1ea1n c\u1ea7n ghi nh\u1edb v\u00e0 bi\u1ebft c\u00e1ch \u00e1p d\u1ee5ng ch\u00fang linh ho\u1ea1t trong nhi\u1ec1u d\u1ea1ng \u0111\u1ec1 v\u00e0 t\u00ecnh hu\u1ed1ng kh\u00e1c nhau. Ngo\u00e0i ra, n\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh luy\u1ec7n thi SAT hi\u1ec7u qu\u1ea3, \u0111\u1eb7c bi\u1ec7t l\u00e0 mu\u1ed1n c\u1ee7ng c\u1ed1 ki\u1ebfn th\u1ee9c To\u00e1n h\u1ecdc thu\u1eadt, l\u00e0m ch\u1ee7 c\u00e1c d\u1ea1ng \u0111\u1ec1 v\u00e0 chi\u1ebfn l\u01b0\u1ee3c gi\u1ea3i nhanh,\u00a0<strong>ETEST English for Study Abroad<\/strong>\u00a0l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng d\u00e0nh cho b\u1ea1n.<\/p>\n<p>Currently,\u00a0<strong>ETEST English for Study Abroad<\/strong>\u00a0\u2013\u00a0<a href=\"https:\/\/etest.edu.vn\/en\/khoa-hoc\/luyen-thi-sat\/\"><strong>Trung t\u00e2m luy\u1ec7n thi Digital SAT<\/strong><\/a><strong>\u00a0h\u00e0ng \u0111\u1ea7u t\u1ea1i TP.HCM<\/strong>\u00a0\u2013 mang \u0111\u1ebfn cho b\u1ea1n ch\u01b0\u01a1ng tr\u00ecnh\u00a0<a href=\"https:\/\/etest.edu.vn\/en\/7-buoc-hoc-sat-hieu-qua\/\"><strong>SAT test preparation<\/strong><\/a>\u00a0\u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf s\u00e1t v\u1edbi \u0111\u1ecbnh d\u1ea1ng b\u00e0i thi m\u1edbi nh\u1ea5t v\u1edbi nh\u1eefng quy\u1ec1n l\u1ee3i sau:<\/p>\n<ul>\n<li>L\u00e0m ch\u1ee7 to\u00e0n b\u1ed9 c\u00f4ng th\u1ee9c SAT Math tr\u1ecdng t\u00e2m v\u00e0 chi\u1ebfn l\u01b0\u1ee3c gi\u1ea3i nhanh.<\/li>\n<li>H\u1ecdc c\u00f9ng gi\u1ea3ng vi\u00ean chuy\u00ean m\u00f4n cao, gi\u00e0u kinh nghi\u1ec7m gi\u1ea3ng d\u1ea1y SAT cho h\u1ecdc sinh Vi\u1ec7t Nam.<\/li>\n<li>R\u00e8n luy\u1ec7n trong l\u1edbp h\u1ecdc ch\u1ec9 6 h\u1ecdc vi\u00ean \u2013 t\u1ed1i \u01b0u t\u01b0\u01a1ng t\u00e1c v\u00e0 c\u00e1 nh\u00e2n h\u00f3a ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc.<\/li>\n<li>\u0110\u01b0\u1ee3c ph\u1ee5 \u0111\u1ea1o 1:1 n\u1ebfu g\u1eb7p kh\u00f3 kh\u0103n, \u0111\u1ea3m b\u1ea3o n\u1eafm ch\u1eafc ki\u1ebfn th\u1ee9c c\u1ed1t l\u00f5i.<\/li>\n<li>Tr\u1ea3i nghi\u1ec7m ph\u1ea7n m\u1ec1m thi Digital SAT th\u1ef1c t\u1ebf ngay t\u1ea1i trung t\u00e2m \u2013 gi\u00fap b\u1ea1n l\u00e0m quen v\u1edbi\u00a0<a href=\"https:\/\/etest.edu.vn\/en\/cau-truc-de-thi-sat\/\">SAT test structure<\/a>\u00a0official.<\/li>\n<li>Tham gia thi th\u1eed Digital SAT \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 n\u0103ng l\u1ef1c v\u00e0 \u0111i\u1ec1u ch\u1ec9nh chi\u1ebfn l\u01b0\u1ee3c h\u1ecdc ph\u00f9 h\u1ee3p.<\/li>\n<li>V\u1edbi l\u1ed9 tr\u00ecnh h\u1ecdc \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng ri\u00eang theo t\u1eebng n\u0103ng l\u1ef1c v\u00e0 m\u1ee5c ti\u00eau, ETEST cam k\u1ebft gi\u00fap b\u1ea1n c\u1ea3i thi\u1ec7n\u00a0<strong>150 \u2013 200+ \u0111i\u1ec3m SAT\u00a0<\/strong>sau m\u1ed7i kh\u00f3a h\u1ecdc.<\/li>\n<\/ul>\n<p>Contact\u00a0<strong>ETEST English for Study Abroad<\/strong>\u00a0today via hotline\u00a0<strong>093 380 6699<\/strong>\u00a0&#8211;\u00a0<strong>093 617 7699<\/strong>\u00a0\u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n l\u1ed9 tr\u00ecnh luy\u1ec7n thi chi ti\u1ebft v\u00e0 \u0111\u1eb7t l\u1ecbch thi th\u1eed\u00a0<a href=\"https:\/\/etest.edu.vn\/en\/digital-sat\/\">Digital SAT<\/a>\u00a0\u2013 b\u01b0\u1edbc \u0111\u1ea7u v\u1eefng ch\u1eafc cho h\u00e0nh tr\u00ecnh chinh ph\u1ee5c c\u00e1c tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi!<\/p>\n<p><span style=\"font-weight: 400;\">\t<div id=\"stack-3021790407\" class=\"stack stack-col justify-center items-center\">\n\t\t\n\n<a href=\"#footer\" target=\"_self\" class=\"button primary cs-inline-contact-button\"  >\n  <i class=\"icon-gift\" ><\/i>  <span>Sign up for consultation<\/span>\n  <\/a>\n\n\n\t<div id=\"gap-2038684166\" class=\"gap-element clearfix\" style=\"display:block; 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Vi\u1ec7c n\u1eafm v\u1eefng nh\u1eefng c\u00f4ng th\u1ee9c \u201cb\u00ed m\u1eadt\u201d s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3i b\u00e0i nhanh h\u01a1n, ch\u00ednh x\u00e1c h\u01a1n v\u00e0 t\u0103ng \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 l\u00e0m b\u00e0i. B\u00e0i vi\u1ebft \u0111\u01b0\u1ee3c\u00a0Anh Ng\u1eef Du [&#8230;]","protected":false},"author":23,"featured_media":31312,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[285,1],"tags":[],"class_list":["post-31286","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sat","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/posts\/31286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/comments?post=31286"}],"version-history":[{"count":6,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/posts\/31286\/revisions"}],"predecessor-version":[{"id":31326,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/posts\/31286\/revisions\/31326"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/media\/31312"}],"wp:attachment":[{"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/media?parent=31286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/categories?post=31286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/tags?post=31286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}