{"id":1044,"date":"2026-04-24T10:21:08","date_gmt":"2026-04-24T10:21:08","guid":{"rendered":"https:\/\/77.buffdemo.com\/index.php\/2026\/04\/24\/bo-5-de-toan-tsa-kem-dap-an-tu-khanh-de-16-20\/"},"modified":"2026-04-24T10:21:08","modified_gmt":"2026-04-24T10:21:08","slug":"bo-5-de-toan-tsa-kem-dap-an-tu-khanh-de-16-20","status":"publish","type":"post","link":"https:\/\/77.buffdemo.com\/index.php\/2026\/04\/24\/bo-5-de-toan-tsa-kem-dap-an-tu-khanh-de-16-20\/","title":{"rendered":"B\u1ed9 5 \u0111\u1ec1 to\u00e1n TSA k\u00e8m \u0111\u00e1p \u00e1n \u2013 T\u00fa Khanh (\u0110\u1ec1 16 \u2013 20)"},"content":{"rendered":"<div class=\"entry-content single-page\">\n<p>T\u00e0i li\u1ec7u \u00f4n thi ti\u1ebfp t\u1ee5c chia s\u1ebb B\u1ed9 5 \u0111\u1ec1 To\u00e1n TSA \u2013 \u0110H B\u00e1ch Khoa H\u00e0 N\u1ed9i t\u1eeb \u0110\u1ec1 16 \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 16 t\u1edbi \u0111\u1ec1 20) v\u00e0 c\u00f3 k\u00e8m theo \u0111\u00e1p \u00e1n chi ti\u1ebft.<\/p>\n<h2 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-44497e13e7b9772e14edd9f134604a0d\" id=\"h-t\u1ea3i-b\u1ed9-5-d\u1ec1-toan-tsa-kem-dap-an-tu-khanh-d\u1ec1-16-20\"><span class=\"ez-toc-section\" id=\"Tai_bo_5_de_toan_TSA_kem_dap_an_%E2%80%93_Tu_Khanh_De_16_%E2%80%93_20\"><\/span>T\u1ea3i b\u1ed9 5 \u0111\u1ec1 to\u00e1n TSA k\u00e8m \u0111\u00e1p \u00e1n \u2013 T\u00fa Khanh (\u0110\u1ec1 16 \u2013 20)<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\/d\/1g4zt_9ZsnuE896o6lE3QMFHl4pnhihaR\/view\" rel=\"noreferrer noopener nofollow\" target=\"_blank\"><strong>T\u1ea2I B\u1ed8 5 \u0110\u1ec0 TO\u00c1N TSA \u2013 \u0110\u1ec0 16-20<\/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-11-de-15\/\" 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 11 \u2013 15)<\/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\/1g4zt_9ZsnuE896o6lE3QMFHl4pnhihaR\/preview\" width=\"640\"><\/iframe><\/p>\n<h2 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-7a8a11228ee02a282c9d7439241d00c0\" id=\"h-n\u1ed9i-dung-1-s\u1ed1-cau-h\u1ecfi-b\u1ed9-5-d\u1ec1-toan-h\u1ecdc-tsa-d\u1ec1-16-20\"><span class=\"ez-toc-section\" id=\"Noi_dung_1_so_cau_hoi_bo_5_de_toan_hoc_TSA_De_16_%E2%80%93_20\"><\/span>N\u1ed9i dung 1 s\u1ed1 c\u00e2u h\u1ecfi b\u1ed9 5 \u0111\u1ec1 to\u00e1n h\u1ecdc TSA (\u0110\u1ec1 16 \u2013 20)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e2u 8. [M\u1ee9c 3] \u201cS\u1ed1 ho\u00e0n h\u1ea3o\u201d l\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean d\u01b0\u01a1ng l\u00e0 t\u1ed5ng c\u00e1c \u01b0\u1edbc nguy\u00ean d\u01b0\u1ee3c th\u1ef1c s\u1ef1 c\u1ee7a s\u1ed1 \u0111\u00f3 (c\u00e1c s\u1ed1 nguy\u00ean d\u01b0\u01a1ng b\u1ecb s\u1ed1 \u0111\u00f3 chia h\u1ebft, ngo\u1ea1i tr\u1eeb ch\u00ednh s\u1ed1 \u0111\u00f3) b\u1eb1ng ch\u00ednh n\u00f3. X\u00e9t t\u00ednh \u0111\u00fang\/sai c\u1ee7a c\u00e1c m\u1ec7nh \u0111\u1ec1 sau:<\/p>\n<p>a. S\u1ed1 kh\u00f4ng ph\u1ea3i m\u1ed9t s\u1ed1 ho\u00e0n h\u1ea3o.<\/p>\n<p>b. S\u1ed1 l\u00e0 m\u1ed9t s\u1ed1 ho\u00e0n h\u1ea3o.<\/p>\n<p>C\u00e2u 11. [M\u1ee9c 3] H\u01b0ng c\u00f3 ba h\u1ed9p r\u1ed7ng v\u00e0 12 cu\u1ed1n s\u00e1ch kh\u00e1c nhau, 3 trong s\u1ed1 \u0111\u00f3 l\u00e0 s\u00e1ch To\u00e1n. H\u1ed9p I c\u00f3 th\u1ec3 \u0111\u1ef1ng b\u1ea5t k\u1ef3 3 cu\u1ed1n s\u00e1ch n\u00e0o, h\u1ed9p II c\u00f3 th\u1ec3 \u0111\u1ef1ng b\u1ea5t k\u1ef3 4 cu\u1ed1n s\u00e1ch n\u00e0o v\u00e0 h\u1ed9p III c\u00f3 th\u1ec3 \u0111\u1ef1ng b\u1ea5t k\u1ef3 5 cu\u1ed1n s\u00e1ch n\u00e0o. H\u01b0ng s\u1eafp x\u1ebfp c\u00e1c cu\u1ed1n s\u00e1ch c\u1ee7a m\u00ecnh v\u00e0o c\u00e1c h\u1ed9p theo th\u1ee9 t\u1ef1 ng\u1eabu nhi\u00ean, x\u00e1c su\u1ea5t \u0111\u1ec3 c\u1ea3 3 cu\u1ed1n s\u00e1ch To\u00e1n \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o c\u00f9ng m\u1ed9t h\u1ed9p l\u00e0 . Gi\u00e1 tr\u1ecb c\u1ee7a 132p b\u1eb1ng?<\/p>\n<p>C\u00e2u 12. [M\u1ee9c 3] M\u1ed9t s\u1ed1 t\u1ef1 nhi\u00ean \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201ck\u00ec di\u1ec7u\u201d khi ta l\u1ea5y s\u1ed1 \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi khi vi\u1ebft c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a t\u1eeb l\u1edbn \u0111\u1ebfn b\u00e9 r\u1ed3i tr\u1eeb \u0111i s\u1ed1 \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi khi vi\u1ebft c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a t\u1eeb b\u00e9 \u0111\u1ebfn l\u1edbn m\u00e0 thu \u0111\u01b0\u1ee3c . Ch\u1eb3ng h\u1ea1n: 495 l\u00e0 m\u1ed9t s\u1ed1 \u201ck\u00ec di\u1ec7u\u201d v\u00ec . Bi\u1ebft r\u1eb1ng t\u1ed3n t\u1ea1i duy nh\u1ea5t m\u1ed9t s\u1ed1 \u201ck\u00ec di\u1ec7u\u201d c\u00f3 4 ch\u1eef s\u1ed1, g\u1ecdi l\u00e0 h\u1eb1ng s\u1ed1 Kaprekar. S\u1ed1 \u0111\u00f3 l\u00e0?<\/p>\n<p>C\u00e2u 26. [M\u1ee9c 2] M\u1ed9t h\u1ed9p ph\u00f4 mai c\u00f3 d\u1ea1ng h\u00ecnh tr\u1ee5 c\u00f3 b\u00e1n k\u00ednh \u0111\u00e1y b\u1eb1ng v\u00e0 chi\u1ec1u cao . Bi\u1ebft r\u1eb1ng trong h\u1ed9p c\u00f3 8 mi\u1ebfng ph\u00f4 mai gi\u1ed1ng nhau v\u00e0 \u0111\u01b0\u1ee3c x\u1ebfp s\u00e1t nhau (cho v\u1eeba h\u1ed9p) v\u1edbi \u0111\u1ed9 d\u00e0y c\u1ee7a gi\u1ea5y g\u00f3i m\u1ed7i mi\u1ebfng kh\u00f4ng \u0111\u00e1ng k\u1ec3. Di\u1ec7n t\u00edch to\u00e0n ph\u1ea7n c\u1ee7a m\u1ed9t mi\u1ebfng ph\u00f4 mai g\u1ea7n nh\u1ea5t v\u1edbi k\u1ebft qu\u1ea3 n\u00e0o sau \u0111\u00e2y?<\/p>\n<p><strong>C\u00e2u 3. [M\u1ee9c 2]<\/strong> Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" alt=\"f(x) = 4\\sin(x+\\frac{\\pi}{4})\\sin(x-\\frac{\\pi}{4})\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"20\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-044600e568777b39739c6b5700ad69f2_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"231\"\/>, x\u00e9t t\u00ednh \u0111\u00fang\/sai c\u1ee7a c\u00e1c m\u1ec7nh \u0111\u1ec1 sau:<\/p>\n<p>a. Gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t c\u1ee7a 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\"\/> b\u1eb1ng 2.<\/p>\n<p>b. 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-153268b89486473ac6434ff7c62add12_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"34\"\/> \u0111\u1ea1t gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t t\u1ea1i c\u00e1c \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" alt=\"x = \\pi + k2\\pi \\quad (k \\in \\mathbb{Z})\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"19\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-25cc030809510cea64ece95e05682760_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"170\"\/>.<\/p>\n<p><strong>C\u00e2u 4. [M\u1ee9c 2]<\/strong> Cho h\u00ecnh ch\u00f3p t\u1ee9 gi\u00e1c \u0111\u1ec1u <img loading=\"lazy\" decoding=\"async\" alt=\"S.ABCD\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"13\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-336886ea084db1601913b9290416136e_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"72\"\/> c\u00f3 \u0111\u1ed9 d\u00e0i c\u1ea1nh \u0111\u00e1y b\u1eb1ng <img loading=\"lazy\" decoding=\"async\" alt=\"a\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"8\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-126ada257e914b9348fa1bafdafdca64_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"9\"\/> v\u00e0 c\u1ea1nh b\u00ean t\u1ea1i v\u1edbi \u0111\u00e1y m\u1ed9t g\u00f3c <img loading=\"lazy\" decoding=\"async\" alt=\"40^{\\circ}\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-cd2f91d21ea385ba7f99fc0d662cf4ab_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"25\"\/>. G\u1ecdi <img loading=\"lazy\" decoding=\"async\" alt=\"M, N\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"16\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-97a280115b68f594e11bbd1cad3daa2d_l3.png\" style=\"vertical-align: -4px;\" title=\"Rendered by QuickLaTeX.com\" width=\"42\"\/> l\u1ea7n l\u01b0\u1ee3t l\u00e0 trung \u0111i\u1ec3m c\u1ee7a c\u00e1c c\u1ea1nh <img loading=\"lazy\" decoding=\"async\" alt=\"SB\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-0e7a800529637e0051d13c4dc2e180fd_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"26\"\/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" alt=\"SD\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-c77193cd8638ad4d5a30975166bfb777_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"27\"\/>. Kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111\u01b0\u1eddng th\u1eb3ng <img loading=\"lazy\" decoding=\"async\" alt=\"MN\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-886e50c4bac2beb07868de10338e5f57_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"35\"\/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" alt=\"BC\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-5f130eaa4d56f2833805fddb28ad34ce_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"28\"\/> b\u1eb1ng<\/p>\n<p><strong>A.<\/strong> <img loading=\"lazy\" decoding=\"async\" alt=\"\\frac{a\\sqrt{2}}{4}\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"25\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-1c5c40938c8a3768da5684b09e420d99_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"26\"\/><br \/><strong>B.<\/strong> <img loading=\"lazy\" decoding=\"async\" alt=\"\\frac{a\\sqrt{3}}{2}\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"25\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-4203beacffa6f297eefd88cb5526384c_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"26\"\/><br \/><strong>C.<\/strong> <img loading=\"lazy\" decoding=\"async\" alt=\"\\frac{a}{2}\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"19\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-90ac1d8f56582bafdf8b829986a8a62a_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"8\"\/><br \/><strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" alt=\"\\frac{a\\sqrt{2}}{2}\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"25\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-ebb24c02dd78201d4145e07e2bd66722_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"26\"\/><\/p>\n<p><strong>C\u00e2u 5. [M\u1ee9c 2]<\/strong> Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" alt=\"f(x) = 16\\sin(x+\\frac{\\pi}{6})\\cos(x-\\frac{\\pi}{6}) + (1-m^2)\\sin(2x)\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"21\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-c7443148cd42c16eaaa5b5b672255169_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"389\"\/>, v\u1edbi <img loading=\"lazy\" decoding=\"async\" alt=\"m\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"8\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-61bccb4824cd7c4edf52e54beedfd157_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"15\"\/> l\u00e0 tham s\u1ed1 th\u1ef1c. T\u1ed3n t\u1ea1i bao nhi\u00eau gi\u00e1 tr\u1ecb nguy\u00ean c\u1ee7a <img loading=\"lazy\" decoding=\"async\" alt=\"m\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"8\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-61bccb4824cd7c4edf52e54beedfd157_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"15\"\/> \u0111\u1ec3 h\u00e0m s\u1ed1 \u0111\u00e3 cho \u0111\u1ed3ng bi\u1ebfn tr\u00ean kho\u1ea3ng <img loading=\"lazy\" decoding=\"async\" alt=\"(0; \\frac{\\pi}{4})\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"20\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-aa06d7736685f11463b12f455bbec77e_l3.png\" style=\"vertical-align: -6px;\" title=\"Rendered by QuickLaTeX.com\" width=\"41\"\/>?<\/p>\n<p> <strong>\u0110i\u1ec1n \u0111\u00e1p \u00e1n:<\/strong> <br \/><strong>C\u00e2u 36. [M\u1ee9c 3]<\/strong> Trong m\u1ed9t ti\u1ebft to\u00e1n v\u1ec1 s\u1ed1 h\u1ecdc, b\u1ea1n Ph\u01b0\u1edbc th\u1eafc m\u1eafc v\u1edbi c\u00f4 gi\u00e1o r\u1eb1ng: \u201cL\u00e0m sao \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng ch\u1eef s\u1ed1 \u0111\u1ea7u ti\u00ean c\u1ee7a m\u1ed9t s\u1ed1 r\u1ea5t r\u1ea5t l\u1edbn c\u00f4 nh\u1ec9?\u201d. \u0110\u1ec3 gi\u1ea3i \u0111\u00e1p, c\u00f4 gi\u00e1o \u0111\u00e3 \u0111\u01b0a ra g\u1ee3i \u00fd r\u1eb1ng: \u201cEm c\u00f3 th\u1ec3 th\u1eed chia s\u1ed1 \u0111ang x\u00e9t cho <img loading=\"lazy\" decoding=\"async\" alt=\"10^n\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-cf9eb62856d8effc5fbc07f2c13ce10a_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"25\"\/>, v\u1edbi <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 s\u1ed1 ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 \u0111ang x\u00e9t, \u0111\u1ec3 thu \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 b\u00e9 h\u01a1n v\u1edbi th\u1ee9 t\u1ef1 c\u00e1c ch\u1eef s\u1ed1 kh\u00f4ng thay \u0111\u1ed5i. Ch\u1eb3ng h\u1ea1n, khi em chia m\u1ed9t s\u1ed1 r\u1ea5t l\u1edbn nh\u01b0 <img loading=\"lazy\" decoding=\"async\" alt=\"123456789\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"13\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-ba6bc4989a9e38b501c62283b668c85f_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"80\"\/> cho <img loading=\"lazy\" decoding=\"async\" alt=\"10^9\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"15\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-f1b8f8cf6e98639f142b63252cf5746d_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"24\"\/> th\u00ec s\u1ebd thu \u0111\u01b0\u1ee3c s\u1ed1 b\u00e9 h\u01a1n l\u00e0 <img loading=\"lazy\" decoding=\"async\" alt=\"0,123456789\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"17\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-3117986c9d1e778b7105d5bdb178a984_l3.png\" style=\"vertical-align: -4px;\" title=\"Rendered by QuickLaTeX.com\" width=\"98\"\/>, v\u1edbi th\u1ee9 t\u1ef1 c\u00e1c ch\u1eef s\u1ed1 <img loading=\"lazy\" decoding=\"async\" alt=\"1234\u2026\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-4bcf018dee9818ce8d69af17ff8fe14c_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"54\"\/> kh\u00f4ng thay \u0111\u1ed5i m\u00e0 ch\u1ec9 b\u1ecb \u0111\u1ea9y l\u00f9i ra sau d\u1ea5u ph\u1ea9y\u201d. Suy ngh\u0129 m\u1ed9t l\u00fac, b\u1ea1n Ph\u01b0\u1edbc li\u1ec1n th\u1eed x\u00e1c \u0111\u1ecbnh 6 ch\u1eef s\u1ed1 \u0111\u1ea7u ti\u00ean c\u1ee7a s\u1ed1 <img loading=\"lazy\" decoding=\"async\" alt=\"7^{2026}\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"15\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-e5cde2079305f7fb5a7da7c82bd4fc73_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"37\"\/> v\u00e0 \u0111\u00e3 thu \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c. Khi \u0111\u00f3, k\u1ebft qu\u1ea3 m\u00e0 b\u1ea1n Ph\u01b0\u1edbc thu \u0111\u01b0\u1ee3c l\u00e0?<\/p>\n<p><strong>\u0110\u00e1p \u00e1n:<\/strong><\/p>\n<p><strong>C\u00e2u 37. [M\u1ee9c 3]<\/strong> Ch\u1ecdn ng\u1eabu nhi\u00ean m\u1ed9t s\u1ed1 t\u1eeb t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean g\u1ed3m b\u1ed1n ch\u1eef s\u1ed1 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb c\u00e1c ch\u1eef s\u1ed1 0, 1, 2, 3, 4, 8, 9. X\u00e1c su\u1ea5t \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c s\u1ed1 l\u1edbn h\u01a1n s\u1ed1 2019 v\u00e0 b\u00e9 h\u01a1n s\u1ed1 9102 l\u00e0 <img loading=\"lazy\" decoding=\"async\" alt=\"p\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-3576d2654d043306541cff76bafe1d14_l3.png\" style=\"vertical-align: -4px;\" title=\"Rendered by QuickLaTeX.com\" width=\"10\"\/>. Gi\u00e1 tr\u1ecb c\u1ee7a <img loading=\"lazy\" decoding=\"async\" alt=\"90p\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"16\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-3d2547321719026e9a093b05fe785bb3_l3.png\" style=\"vertical-align: -4px;\" title=\"Rendered by QuickLaTeX.com\" width=\"27\"\/> b\u1eb1ng?<\/p>\n<p><strong>\u0110i\u1ec1n \u0111\u00e1p \u00e1n:<\/strong><\/p>\n<p><strong>C\u00e2u 38. [M\u1ee9c 3]<\/strong> C\u1eaft b\u1ecf \u0111i ba g\u00f3c c\u1ee7a m\u1ed9t tam gi\u00e1c \u0111\u1ec1u, c\u00f3 c\u1ea1nh b\u1eb1ng 12 (cm), c\u00e1c \u0111o\u1ea1n c\u00f3 \u0111\u1ed9 d\u00e0i b\u1eb1ng <img loading=\"lazy\" decoding=\"async\" alt=\"x\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"8\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-0201efb9e14614e7a7e5e442cd27d57a_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"10\"\/> (cm), v\u1edbi <img loading=\"lazy\" decoding=\"async\" alt=\"0 &lt; x &lt; 6\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"14\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-f6c0e51714db32038c670e2b76888254_l3.png\" style=\"vertical-align: -2px;\" title=\"Rendered by QuickLaTeX.com\" width=\"75\"\/>, th\u00ec ta thu \u0111\u01b0\u1ee3c m\u1ed9t h\u00ecnh tam gi\u00e1c \u0111\u1ec1u nh\u1ecf h\u01a1n v\u1edbi ba h\u00ecnh ch\u1eef nh\u1eadt g\u1eafn \u1edf c\u00e1c c\u1ea1nh. G\u1ea5p c\u00e1c h\u00ecnh ch\u1eef nh\u1eadt \u0111\u00f3 l\u1ea1i \u0111\u1ec3 t\u1ea1o ra m\u1ed9t kh\u1ed1i l\u0103ng tr\u1ee5 (nh\u01b0 h\u00ecnh v\u1ebd b\u00ean). X\u00e9t t\u00ednh \u0111\u00fang\/sai c\u1ee7a c\u00e1c m\u1ec7nh \u0111\u1ec1 sau<\/p>\n<p>a. Bi\u1ec3u di\u1ec5n m\u1ed1i quan h\u1ec7 c\u1ee7a <img loading=\"lazy\" decoding=\"async\" alt=\"V\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-77ef326c4b1b868d1f75d5655d0a715a_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"14\"\/> theo <img loading=\"lazy\" decoding=\"async\" alt=\"x\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"8\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-0201efb9e14614e7a7e5e442cd27d57a_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"10\"\/>, ta \u0111\u01b0\u1ee3c m\u1ed9t h\u00e0m b\u1eadc ba.<br \/>b. Th\u1ec3 t\u00edch l\u1edbn nh\u1ea5t c\u1ee7a kh\u1ed1i l\u0103ng tr\u1ee5 sau b\u1eb1ng 64.<br \/>c. Khi th\u1ec3 t\u00edch c\u1ee7a kh\u1ed1i l\u0103ng tr\u1ee5 \u0111\u1ea1t l\u1edbn nh\u1ea5t th\u00ec <img loading=\"lazy\" decoding=\"async\" alt=\"x = 2\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-8b9eb179d401a7b01f0efbc2a601d2df_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"42\"\/>.<\/p>\n<p><strong>C\u00e2u 39. [M\u1ee9c 3]<\/strong> Trong h\u1ec7 tr\u1ee5c <img loading=\"lazy\" decoding=\"async\" alt=\"Oxy\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"16\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-ed0f2bdf4ed1e0bb2bcbd8d15526c2c9_l3.png\" style=\"vertical-align: -4px;\" title=\"Rendered by QuickLaTeX.com\" width=\"33\"\/>, cho hai \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" alt=\"A, B\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"17\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-b856f9754f9ec7a77688973efddf832f_l3.png\" style=\"vertical-align: -4px;\" title=\"Rendered by QuickLaTeX.com\" width=\"35\"\/> l\u1ea7n l\u01b0\u1ee3t thu\u1ed9c hai \u0111\u01b0\u1eddng tr\u00f2n <img loading=\"lazy\" decoding=\"async\" alt=\"(C_1): x^2+y^2=1\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"20\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-07d91d3f40e91b293c3ed02f4668899e_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"136\"\/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" alt=\"(C_2): x^2+y^2=49\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"20\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-e928c43e882d315034f55ae53c8c95d0_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"146\"\/> sao cho tia <img loading=\"lazy\" decoding=\"async\" alt=\"Ox\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-799d318acd023dbb29432dd859244b9c_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"24\"\/> lu\u00f4n l\u00e0 ph\u00e2n gi\u00e1c c\u1ee7a g\u00f3c <img loading=\"lazy\" decoding=\"async\" alt=\"AOB\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"13\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-a9a353f5cb581f1113a63cdcf71c8b4e_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"41\"\/>. Khi <img loading=\"lazy\" decoding=\"async\" alt=\"A, B\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"17\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-b856f9754f9ec7a77688973efddf832f_l3.png\" style=\"vertical-align: -4px;\" title=\"Rendered by QuickLaTeX.com\" width=\"35\"\/> thay \u0111\u1ed5i th\u00ec t\u1eadp h\u1ee3p nh\u1eefng trung \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" alt=\"I\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-c79dfab9e11aa7c1e5de4a41312346a9_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"9\"\/> c\u1ee7a \u0111o\u1ea1n <img loading=\"lazy\" decoding=\"async\" alt=\"AB\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"13\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-15c79f1659e7ab85acdfc229218e4393_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"27\"\/> t\u1ea1o th\u00e0nh m\u1ed9t h\u00ecnh ellipse <img loading=\"lazy\" decoding=\"async\" alt=\"(E)\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"19\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-e882d383c65c0b41de6efa688089a5a5_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"26\"\/>. Ti\u00eau c\u1ef1 c\u1ee7a <img loading=\"lazy\" decoding=\"async\" alt=\"(E)\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"19\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-e882d383c65c0b41de6efa688089a5a5_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"26\"\/> b\u1eb1ng <img loading=\"lazy\" decoding=\"async\" alt=\"K\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"12\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-d125740f59e0c8ccfe0842e554febbb5_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"16\"\/>, gi\u00e1 tr\u1ecb c\u1ee7a <img loading=\"lazy\" decoding=\"async\" alt=\"K^2\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"15\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-6638860e57296113c3eaa38ca217e22a_l3.png\" style=\"vertical-align: 0px;\" title=\"Rendered by QuickLaTeX.com\" width=\"23\"\/> b\u1eb1ng?<\/p>\n<p><strong>\u0110i\u1ec1n \u0111\u00e1p \u00e1n:<\/strong><\/p>\n<p><strong>C\u00e2u 40. [M\u1ee9c 3]<\/strong> Cho bi\u1ec3u th\u1ee9c <img loading=\"lazy\" decoding=\"async\" alt=\"P = [1+\\tan(1^{\\circ})][1+\\tan(2^{\\circ})]\\dots[1+\\tan(44^{\\circ})][1+\\tan(45^{\\circ})]\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"19\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-87ee496c87c2b7ebcf46d3b4201b382f_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"465\"\/>. X\u00e9t t\u00ednh \u0111\u00fang\/sai c\u1ee7a c\u00e1c m\u1ec7nh \u0111\u1ec1 sau:<\/p>\n<p>a. Gi\u00e1 tr\u1ecb c\u1ee7a <img loading=\"lazy\" decoding=\"async\" alt=\"\\tan(\\theta - \\varphi)\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"19\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-d78b5dc35109c7401b5ca913a122ea8e_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"81\"\/> \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c:[ \\tan(\\theta \u2013 \\varphi) = \\frac{\\tan(\\theta)-\\tan(\\varphi)}{1+\\tan(\\theta)\\tan(\\varphi)} ]b. Gi\u00e1 tr\u1ecb c\u1ee7a <img loading=\"lazy\" decoding=\"async\" alt=\"[1+\\tan(\\theta)][1+\\tan(45^{\\circ}-\\theta)] = 2\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"19\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-33753abe7732daa70f4ce8de73a0b36c_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"254\"\/>.<br \/>c. Bi\u1ebft r\u1eb1ng <img loading=\"lazy\" decoding=\"async\" alt=\"P=2^n \\ (n \\in \\mathbb{N})\" class=\"ql-img-inline-formula quicklatex-auto-format\" height=\"19\" src=\"https:\/\/77.buffdemo.com\/wp-content\/uploads\/2026\/04\/quicklatex-com-57317330fadd3e7ab0c8b4ce8652f3dc_l3.png\" style=\"vertical-align: -5px;\" title=\"Rendered by QuickLaTeX.com\" width=\"120\"\/>, khi \u0111\u00f3 <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 m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>T\u00e0i li\u1ec7u \u00f4n thi ti\u1ebfp t\u1ee5c chia s\u1ebb B\u1ed9 5 \u0111\u1ec1 To\u00e1n TSA \u2013 \u0110H B\u00e1ch Khoa H\u00e0 N\u1ed9i t\u1eeb \u0110\u1ec1 16 \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 c\u00e1c b\u1ea1n n\u00e2ng cao k\u1ef9 n\u0103ng v\u00e0 l\u00e0m [&#8230;]\n","protected":false},"author":1,"featured_media":1000,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-1044","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\/1044","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=1044"}],"version-history":[{"count":0,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/posts\/1044\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/media\/1000"}],"wp:attachment":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/media?parent=1044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/categories?post=1044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/tags?post=1044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}