{"id":1063,"date":"2026-04-24T10:21:42","date_gmt":"2026-04-24T10:21:42","guid":{"rendered":"https:\/\/77.buffdemo.com\/index.php\/2026\/04\/24\/bo-5-de-toan-tsa-kem-dap-an-de-11-de-15\/"},"modified":"2026-04-24T10:21:42","modified_gmt":"2026-04-24T10:21:42","slug":"bo-5-de-toan-tsa-kem-dap-an-de-11-de-15","status":"publish","type":"post","link":"https:\/\/77.buffdemo.com\/index.php\/2026\/04\/24\/bo-5-de-toan-tsa-kem-dap-an-de-11-de-15\/","title":{"rendered":"B\u1ed9 5 \u0111\u1ec1 to\u00e1n TSA k\u00e8m \u0111\u00e1p \u00e1n \u2013 T\u00fa Khanh (\u0110\u1ec1 11 \u2013 15)"},"content":{"rendered":"<div class=\"entry-content single-page\">\n<p>T\u00e0i li\u1ec7u \u00f4n thi (tailieuonthi.org) ti\u1ebfp t\u1ee5c chia s\u1ebb B\u1ed9 5 \u0111\u1ec1 To\u00e1n TSA \u2013 (T\u01b0 duy to\u00e1n h\u1ecdc trong \u0111\u1ec1 thi \u0110\u00e1nh gi\u00e1 T\u01b0 duy TSA) t\u1eeb \u0110\u1ec1 11 \u0111\u1ebfn \u0110\u1ec1 15 do b\u1ea1n Ph\u1ea1m T\u00fa Khanh bi\u00ean so\u1ea1n.<\/p>\n<div class=\"code-block code-block-2\" style=\"margin: 8px auto; text-align: center; display: block; clear: both;\">\n<div> <\/div>\n<\/div>\n<p>B\u1ed9 \u0111\u1ec1 n\u00e0y l\u00e0 ph\u1ea7n b\u1ed5 sung c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh luy\u1ec7n thi, gi\u00fap c\u00e1c b\u1ea1n n\u00e2ng cao k\u1ef9 n\u0103ng v\u00e0 l\u00e0m quen th\u00eam v\u1edbi nhi\u1ec1u d\u1ea1ng b\u00e0i. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u1ed9 tr\u01b0\u1edbc, t\u00e0i li\u1ec7u bao g\u1ed3m \u0111\u1ea7y \u0111\u1ee7 5 \u0111\u1ec1 thi th\u1eed m\u00f4n To\u00e1n TSA (t\u1eeb \u0111\u1ec1 11 t\u1edbi \u0111\u1ec1 15) v\u00e0 c\u00f3 k\u00e8m theo \u0111\u00e1p \u00e1n chi ti\u1ebft.<\/p>\n<p>Anh em \u00f4n thi TSA th\u00ec t\u1ea3i v\u1ec1 \u00f4n t\u1eadp ngay nh\u00e9.<\/p>\n<h2 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-9c4eb295b0012dde766f2dded50b778b\" id=\"h-t\u1ea3i-b\u1ed9-5-d\u1ec1-toan-tsa-kem-dap-an-tu-khanh-d\u1ec1-6-10\"><span class=\"ez-toc-section\" id=\"Tai_bo_5_de_toan_TSA_kem_dap_an_%E2%80%93_Tu_Khanh_De_6_%E2%80%93_10\"><\/span>T\u1ea3i b\u1ed9 5 \u0111\u1ec1 to\u00e1n TSA k\u00e8m \u0111\u00e1p \u00e1n \u2013 T\u00fa Khanh (\u0110\u1ec1 6 \u2013 10)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1c b\u1ea1n t\u1ea3i t\u00e0i li\u1ec7u \u1edf \u0111\u00e2y nh\u00e9<\/p>\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-luminous-vivid-orange-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/drive.google.com\/file\/u\/0\/d\/1yup6_Jvv0wWcmwcBXoUdupjns3Hw3OD-\/view\" rel=\"noreferrer noopener nofollow\" target=\"_blank\"><strong>T\u1ea2I B\u1ed8 5 \u0110\u1ec0 TO\u00c1N TSA \u2013 \u0110\u1ec0 11-15<\/strong><\/a><\/div>\n<\/div>\n<p>Tham kh\u1ea3o th\u00eam: <strong><a href=\"https:\/\/tailieuonthi.org\/bo-5-de-toan-tsa-kem-dap-an-de-6-de-10\/\" rel=\"noreferrer noopener\" target=\"_blank\">T\u1ea3i b\u1ed9 5 \u0111\u1ec1 to\u00e1n TSA k\u00e8m \u0111\u00e1p \u00e1n \u2013 T\u00fa Khanh (\u0110\u1ec1 6 \u2013 10)<\/a><\/strong><\/p>\n<p><strong>Xem tr\u01b0\u1edbc t\u00e0i li\u1ec7u:<\/strong><\/p>\n<p class=\"has-text-align-center\"><iframe loading=\"lazy\" allow=\"autoplay\" height=\"480\" src=\"https:\/\/drive.google.com\/file\/d\/1yup6_Jvv0wWcmwcBXoUdupjns3Hw3OD-\/preview\" width=\"640\"><\/iframe><\/p>\n<h2 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-f6d7acbbd33c4e992b302b0308a8e673\" id=\"h-n\u1ed9i-dung-1-s\u1ed1-cau-h\u1ecfi-b\u1ed9-5-d\u1ec1-toan-tsa-d\u1ec1-11-15\"><span class=\"ez-toc-section\" id=\"Noi_dung_1_so_cau_hoi_bo_5_de_toan_TSA_De_11_%E2%80%93_15\"><\/span>N\u1ed9i dung 1 s\u1ed1 c\u00e2u h\u1ecfi b\u1ed9 5 \u0111\u1ec1 to\u00e1n TSA (\u0110\u1ec1 11 \u2013 15)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e2u 38. [M\u1ee9c 3] Vi\u1ebft th\u00eam m\u1ed9t s\u1ed1 nguy\u00ean d\u01b0\u01a1ng v\u00e0o sau m\u1ed9t s\u1ed1 nguy\u00ean d\u01b0\u01a1ng b\u1ea5t k\u1ef3 \u0111\u1ec3 t\u1ea1o th\u00e0nh s\u1ed1 m\u1edbi (ch\u1eb3ng h\u1ea1n: vi\u1ebft th\u00eam v\u00e0o sau s\u1ed1 , ta \u0111\u01b0\u1ee3c ). N\u1ebfu s\u1ed1 nguy\u00ean d\u01b0\u01a1ng m\u1edbi n\u00e0y lu\u00f4n chia h\u1ebft cho , th\u00ec \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t \u201cs\u1ed1 th\u1ea7n k\u00ec\u201d. T\u1ed3n t\u1ea1i bao nhi\u00eau \u201cs\u1ed1 th\u1ea7n k\u00ec\u201d b\u00e9 h\u01a1n ?<\/p>\n<p>\u0110i\u1ec1n \u0111\u00e1p \u00e1n:<\/p>\n<p>C\u00e2u 39. [M\u1ee9c 3] V\u00e0o m\u1ed9t d\u1ecbp cu\u1ed1i tu\u1ea7n, c\u00f4 Thu\u1ef7 \u0111\u01b0a con g\u00e1i \u0111i b\u01a1i. T\u1ea1i m\u1ed9t b\u1ec3 b\u01a1i h\u00ecnh ch\u1eef nh\u1eadt d\u00e0i , hai  m\u1eb9 con xu\u1ea5t ph\u00e1t c\u00f9ng l\u00fac t\u1eeb c\u00f9ng m\u1ed9t v\u1ecb tr\u00ed (c\u00f9ng m\u1ed9t \u0111\u1ea7u c\u1ee7a b\u1ec3) v\u00e0 c\u00f9ng nhau b\u01a1i m\u1ed7i ng\u01b0\u1eddi v\u00f2ng. Bi\u1ebft r\u1eb1ng v\u1eadn t\u1ed1c b\u01a1i c\u1ee7a con g\u00e1i b\u1eb1ng v\u1eadn t\u1ed1c b\u01a1i c\u1ee7a c\u00f4 Thu\u1ef7 v\u00e0 qu\u00e3ng \u0111\u01b0\u1eddng c\u1ee7a m\u1ed9t \u201cv\u00f2ng b\u01a1i\u201d b\u1eb1ng l\u1ea7n \u0111\u1ed9 d\u00e0i c\u1ee7a b\u1ec3. Khi \u0111\u00f3, hai m\u1eb9 con \u0111\u00e3 g\u1eb7p nhau bao nhi\u00eau l\u1ea7n trong c\u1ea3 qu\u00e1 tr\u00ecnh b\u01a1i? (kh\u00f4ng t\u00ednh th\u1eddi \u0111i\u1ec3m c\u00f9ng xu\u1ea5t ph\u00e1t)<\/p>\n<p> \u0110i\u1ec1n \u0111\u00e1p \u00e1n:<\/p>\n<p>C\u00e2u 15. [M\u1ee9c 2] \u0110i\u1ec1n s\u1ed1 nguy\u00ean th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng. H\u1ec7 th\u1ed1ng bi\u1ec3u di\u1ec5n ng\u00e0y\/th\u00e1ng\/n\u0103m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u d\u01b0\u1edbi d\u1ea1ng m\u1ed9t s\u1ed1 nguy\u00ean c\u00f3 ch\u1eef s\u1ed1 theo \u0111\u1ecbnh d\u1ea1ng yyyymmdd. Ch\u1eb3ng h\u1ea1n, s\u1ed1 bi\u1ec3u th\u1ecb ng\u00e0y , th\u00e1ng n\u0103m . a. S\u1ed1 bi\u1ec3u th\u1ecb ng\u00e0y , th\u00e1ng , n\u0103m . b. C\u00f3 ng\u00e0y trong n\u0103m 2025 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1edfi m\u1ed9t s\u1ed1 nguy\u00ean c\u00f3 s\u1ed1 c\u00e1c ch\u1eef s\u1ed1 v\u00e0 b\u1eb1ng nhau.<\/p>\n<p>C\u00e2u 38. [M\u1ee9c 3] Vi\u1ebft th\u00eam m\u1ed9t s\u1ed1 nguy\u00ean d\u01b0\u01a1ng v\u00e0o sau m\u1ed9t s\u1ed1 nguy\u00ean d\u01b0\u01a1ng b\u1ea5t k\u1ef3 \u0111\u1ec3 t\u1ea1o th\u00e0nh s\u1ed1 m\u1edbi (ch\u1eb3ng h\u1ea1n: vi\u1ebft th\u00eam v\u00e0o sau s\u1ed1 , ta \u0111\u01b0\u1ee3c ). N\u1ebfu s\u1ed1 nguy\u00ean d\u01b0\u01a1ng m\u1edbi n\u00e0y lu\u00f4n chia h\u1ebft cho , th\u00ec \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t \u201cs\u1ed1 th\u1ea7n k\u00ec\u201d. T\u1ed3n t\u1ea1i bao nhi\u00eau \u201cs\u1ed1 th\u1ea7n k\u00ec\u201d b\u00e9 h\u01a1n ?<\/p>\n<p><strong>C\u00e2u 17. [M\u1ee9c 3]<\/strong> Cho ph\u01b0\u01a1ng tr\u00ecnh <img loading=\"lazy\" decoding=\"async\" alt=\"8\\sin(x) = \\frac{\\sqrt{3}}{\\cos(x)} + \\frac{1}{\\sin(x)}\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"29\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-b7068673a24fad169043c485e9027cef_l3.png\" style=\"vertical-align: -10px;\" title=\"Rendered by QuickLaTeX.com\" width=\"182\"\/>, x\u00e9t t\u00ednh \u0111\u00fang\/sai c\u1ee7a c\u00e1c m\u1ec7nh \u0111\u1ec1 sau:<\/p>\n<p>a. \u0110i\u1ec1u ki\u1ec7n x\u00e1c \u0111\u1ecbnh c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh tr\u00ean l\u00e0 <img loading=\"lazy\" decoding=\"async\" alt=\"x \\neq \\frac{k\\pi}{2} \\quad (k \\in \\mathbb{Z})\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"22\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-693a3d8aabc0903fbc5684ad9d193e03_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"128\"\/>.<\/p>\n<p>b. Ph\u01b0\u01a1ng tr\u00ecnh \u0111\u00e3 cho t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi ph\u01b0\u01a1ng tr\u00ecnh sau: <img loading=\"lazy\" decoding=\"async\" alt=\"-2(\\cos(3x) + \\cos(x)) = \\sqrt{3}\\sin(x) - 3\\cos(x)\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"21\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-6ba61ccbe740cf508c560c111a12981c_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"337\"\/>.<\/p>\n<p>c. H\u1ecd nghi\u1ec7m c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh \u0111\u00e3 cho l\u00e0 <img loading=\"lazy\" decoding=\"async\" alt=\"x = \\frac{\\pi}{6} + k\\pi \\quad (k \\in \\mathbb{Z})\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"20\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-fcd3cddb00a4deaeacfaa27521b4edf1_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"162\"\/>.<\/p>\n<p><strong>C\u00e2u 18. [M\u1ee9c 3]<\/strong> Cho d\u00e3y s\u1ed1 <img loading=\"lazy\" decoding=\"async\" alt=\"(u_n)\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"19\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-5946f708cf4d9b64a7cd587568acd666_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"31\"\/> tho\u1ea3 m\u00e3n[ \\begin{cases} u_1 = \\frac{1}{3} \\ u_{n+1} = \\frac{n+1}{3n}u_n \\end{cases} ]X\u00e9t t\u00ednh \u0111\u00fang\/sai c\u1ee7a c\u00e1c m\u1ec7nh \u0111\u1ec1 sau:<\/p>\n<p>a. \u0110\u1eb7t <img loading=\"lazy\" decoding=\"async\" alt=\"v_n = \\frac{u_n}{n}\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"19\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-dfc0401191463099ab5f07ab8ed0545a_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"60\"\/>, khi \u0111\u00f3 <img loading=\"lazy\" decoding=\"async\" alt=\"v_n\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"11\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-08dd5fa8167de263d9e41d36142d3d44_l3.png\" style=\"vertical-align: -3px;\" title=\"Rendered by QuickLaTeX.com\" width=\"17\"\/> l\u00e0 m\u1ed9t c\u1ea5p s\u1ed1 nh\u00e2n c\u00f3 c\u00f4ng sai <img loading=\"lazy\" decoding=\"async\" alt=\"q = \\frac{1}{3}\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"22\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-d3a6eaf80a66beb567ecbc0e41d83940_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"41\"\/>.<\/p>\n<p>b. Bi\u1ebft c\u00f4ng th\u1ee9c t\u1ed5ng qu\u00e1t c\u1ee7a d\u00e3y <img loading=\"lazy\" decoding=\"async\" alt=\"u_n = \\frac{n}{a^n} \\quad (a \\in \\mathbb{R})\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"20\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-01c110b20a6b82637f577e5e31a6a417_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"137\"\/>, khi \u0111\u00f3 <img loading=\"lazy\" decoding=\"async\" alt=\"a &lt; 3\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"14\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-5ffd2e32cf1640ebc5ea5457b8542db5_l3.png\" style=\"vertical-align: -2px;\" title=\"Rendered by QuickLaTeX.com\" width=\"42\"\/>.<\/p>\n<p>c. S\u1ed1 <img loading=\"lazy\" decoding=\"async\" alt=\"\\frac{2025}{u_{2025}}\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"24\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-9ddc9423aa3a8925cc8db8e33fc65c59_l3.png\" style=\"vertical-align: -8px;\" title=\"Rendered by QuickLaTeX.com\" width=\"33\"\/> c\u00f3 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng b\u1eb1ng 7.<br \/><strong>C\u00e2u 20. [M\u1ee9c 3]<\/strong> Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" alt=\"y=f(x)\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"19\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-563e77d38be1a1676b7b690db618a991_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"67\"\/> c\u00f3 li\u00ean t\u1ee5c v\u00e0 \u0111\u1ea1o h\u00e0m <img loading=\"lazy\" decoding=\"async\" alt=\"f'(x) = |x^2-x-2| \\quad \\forall x \\in \\mathbb{R}\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"20\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-adc7c2dcb2f701a9c94441f7e1278a2f_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"225\"\/>. Bi\u1ebft <img loading=\"lazy\" decoding=\"async\" alt=\"f(-2)+f(1) = \\frac{23}{6}\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"22\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-4a3863ba5ea400f33a4ff148af87abf7_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"142\"\/>, x\u00e9t t\u00ednh \u0111\u00fang\/sai c\u1ee7a c\u00e1c m\u1ec7nh \u0111\u1ec1 sau:<\/p>\n<p>a. H\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" alt=\"f'(x)\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"19\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-fd8b0e4e3a66c986a3d5e3bc8daa3469_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"38\"\/> \u0111\u01b0\u1ee3c vi\u1ebft l\u1ea1i d\u01b0\u1edbi d\u1ea1ng:[ f'(x) = \\begin{cases} x^2-x-2 &amp; \\text{khi } x \\in (-\\infty; -1] \\cup [2; +\\infty) \\ -x^2+x+2 &amp; \\text{khi } x \\in (-1; 2) \\end{cases} ]\n<p>b. Gi\u00e1 tr\u1ecb c\u1ee7a t\u00edch ph\u00e2n <img loading=\"lazy\" decoding=\"async\" alt=\"\\int_{-3}^{3} f(x)dx = \\frac{27}{2}\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"24\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-dcda60b93097bb1551dfda9bbb6323c9_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"123\"\/>.<\/p>\n<p><strong>C\u00e2u 21. [M\u1ee9c 3]<\/strong> <strong>\u0110i\u1ec1n s\u1ed1 nguy\u00ean th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng.<\/strong><br \/>Trong m\u1ed9t d\u1ef1 \u00e1n, quy lu\u1eadt c\u1ee7a chu\u1ed7i l\u00e0: gi\u00e1 tr\u1ecb \u1edf \u00f4 th\u1ee9 <img loading=\"lazy\" decoding=\"async\" alt=\"n\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"8\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-3167bccf3b0de6d18053afe32be87430_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"11\"\/> l\u00e0 <img loading=\"lazy\" decoding=\"async\" alt=\"2^n\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-9e74ad8ecc7aaab8d51543e66e8bc24c_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"17\"\/>.<\/p>\n<p>a. Gi\u00e1 tr\u1ecb s\u01a1 c\u1ea5p c\u1ee7a \u00f4 th\u1ee9 18273979213 c\u00f3 d\u1ea1ng <img loading=\"lazy\" decoding=\"async\" alt=\"2^a\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-080b392a91b99e01361c1f6756b1cd9a_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"16\"\/>, gi\u00e1 tr\u1ecb c\u1ee7a a l\u00e0 <strong><em><strong>__<\/strong><\/em><\/strong>.<\/p>\n<p>b. Gi\u00e1 tr\u1ecb \u0111\u1ea7u ra c\u1ee7a \u00f4 th\u1ee9 2025 c\u00f3 <strong><em><strong>__<\/strong><\/em><\/strong> ch\u1eef s\u1ed1.<\/p>\n<p>c. Gi\u00e1 tr\u1ecb \u0111\u1ea7u ra c\u1ee7a \u00f4 th\u1ee9 1956 c\u00f3 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 <strong><em><strong>__<\/strong><\/em><\/strong>.<\/p>\n<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>T\u00e0i li\u1ec7u \u00f4n thi (tailieuonthi.org) ti\u1ebfp t\u1ee5c chia s\u1ebb B\u1ed9 5 \u0111\u1ec1 To\u00e1n TSA \u2013 (T\u01b0 duy to\u00e1n h\u1ecdc trong \u0111\u1ec1 thi \u0110\u00e1nh gi\u00e1 T\u01b0 duy TSA) t\u1eeb \u0110\u1ec1 11 \u0111\u1ebfn \u0110\u1ec1 15 do b\u1ea1n Ph\u1ea1m T\u00fa Khanh bi\u00ean so\u1ea1n. B\u1ed9 \u0111\u1ec1 n\u00e0y l\u00e0 ph\u1ea7n b\u1ed5 sung c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh luy\u1ec7n thi, gi\u00fap [&#8230;]\n","protected":false},"author":1,"featured_media":1045,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-1063","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-toan-hoc-tsa"],"_links":{"self":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/posts\/1063","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/comments?post=1063"}],"version-history":[{"count":0,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/posts\/1063\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/media\/1045"}],"wp:attachment":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/media?parent=1063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/categories?post=1063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/tags?post=1063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}