{"id":2308,"date":"2026-04-25T02:41:08","date_gmt":"2026-04-25T02:41:08","guid":{"rendered":"https:\/\/77.buffdemo.com\/index.php\/2026\/04\/25\/toan-thuc-te-chuyen-de-tinh-don-dieu-va-cuc-tri-ham-so\/"},"modified":"2026-04-25T02:41:08","modified_gmt":"2026-04-25T02:41:08","slug":"toan-thuc-te-chuyen-de-tinh-don-dieu-va-cuc-tri-ham-so","status":"publish","type":"post","link":"https:\/\/77.buffdemo.com\/index.php\/2026\/04\/25\/toan-thuc-te-chuyen-de-tinh-don-dieu-va-cuc-tri-ham-so\/","title":{"rendered":"To\u00e1n th\u1ef1c t\u1ebf chuy\u00ean \u0111\u1ec1 t\u00ednh \u0111\u01a1n \u0111i\u1ec7u v\u00e0 c\u1ef1c tr\u1ecb h\u00e0m s\u1ed1"},"content":{"rendered":"<div class=\"entry-content single-page\">\n<p>Chia s\u1ebb chuy\u00ean \u0111\u1ec1 t\u00ednh \u0111\u01a1n \u0111i\u1ec7u v\u00e0 c\u1ef1c tr\u1ecb h\u00e0m s\u1ed1 qua c\u00e1c b\u00e0i to\u00e1n th\u1ef1c t\u1ebf, ph\u01b0\u01a1ng ph\u00e1p x\u00e9t d\u1ea5u \u0111\u1ea1o h\u00e0m, \u1ee9ng d\u1ee5ng t\u1ed1i \u01b0u h\u00f3a v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng chi ti\u1ebft.<\/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<h2 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-0cba8c5c8d967fb3aca5ab3bb3119a84\" id=\"h-n\u1ed9i-dung-tai-li\u1ec7u-toan-th\u1ef1c-t\u1ebf-chuyen-d\u1ec1-tinh-d\u01a1n-di\u1ec7u-va-c\u1ef1c-tr\u1ecb-ham-s\u1ed1\"><span class=\"ez-toc-section\" id=\"Noi_dung_tai_lieu_Toan_thuc_te_chuyen_de_tinh_don_dieu_va_cuc_tri_ham_so\"><\/span>N\u1ed9i dung t\u00e0i li\u1ec7u To\u00e1n th\u1ef1c t\u1ebf chuy\u00ean \u0111\u1ec1 t\u00ednh \u0111\u01a1n \u0111i\u1ec7u v\u00e0 c\u1ef1c tr\u1ecb h\u00e0m s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1c n\u1ed9i dung ch\u00ednh bao g\u1ed3m:<\/p>\n<h3 class=\"wp-block-heading\" id=\"h-a-ki\u1ebfn-th\u1ee9c-c\u01a1-b\u1ea3n-c\u1ea7n-n\u1eafm\"><span class=\"ez-toc-section\" id=\"A_KIEN_THUC_CO_BAN_CAN_NAM\"><\/span><strong>A. KI\u1ebeN TH\u1ee8C C\u01a0 B\u1ea2N C\u1ea6N N\u1eaeM:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>1. T\u00ednh \u0111\u01a1n \u0111i\u1ec7u c\u1ee7a h\u00e0m s\u1ed1:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ecbnh l\u00ed v\u1ec1 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ed3ng bi\u1ebfn\/ngh\u1ecbch bi\u1ebfn<\/li>\n<li>C\u00e1c b\u01b0\u1edbc t\u00ecm kho\u1ea3ng \u0111\u1ed3ng bi\u1ebfn, ngh\u1ecbch bi\u1ebfn.<\/li>\n<\/ul>\n<p><strong>2. \u0110i\u1ec3m c\u1ef1c tr\u1ecb, gi\u00e1 tr\u1ecb c\u1ef1c tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ecbnh ngh\u0129a \u0111i\u1ec3m c\u1ef1c \u0111\u1ea1i, c\u1ef1c ti\u1ec3u, gi\u00e1 tr\u1ecb c\u1ef1c \u0111\u1ea1i, c\u1ef1c ti\u1ec3u (c\u1ef1c tr\u1ecb).<\/li>\n<li>D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft c\u1ef1c tr\u1ecb<\/li>\n<li>C\u00e1c b\u01b0\u1edbc t\u00ecm \u0111i\u1ec3m c\u1ef1c tr\u1ecb.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\" id=\"h-b-bai-t\u1eadp-v\u1eadn-d\u1ee5ng\"><span class=\"ez-toc-section\" id=\"B_BAI_TAP_VAN_DUNG\"><\/span><strong>B. B\u00c0I T\u1eacP V\u1eacN D\u1ee4NG:<\/strong>\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tuy\u1ec3n t\u1eadp 19 b\u00e0i to\u00e1n th\u1ef1c t\u1ebf \u00e1p d\u1ee5ng ki\u1ebfn th\u1ee9c v\u1ec1 t\u00ednh \u0111\u01a1n \u0111i\u1ec7u v\u00e0 c\u1ef1c tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1, bao g\u1ed3m c\u00e1c l\u0129nh v\u1ef1c:<\/p>\n<p><strong>Chuy\u1ec3n \u0111\u1ed9ng:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li>X\u00e1c \u0111\u1ecbnh kho\u1ea3ng th\u1eddi gian chuy\u1ec3n \u0111\u1ed9ng sang ph\u1ea3i\/tr\u00e1i, chuy\u1ec3n h\u01b0\u1edbng (B\u00e0i 1, 6).<\/li>\n<li>X\u00e1c \u0111\u1ecbnh kho\u1ea3ng th\u1eddi gian v\u1eadn t\u1ed1c t\u0103ng\/gi\u1ea3m, gia t\u1ed1c t\u0103ng\/gi\u1ea3m (B\u00e0i 1, 6, 7, 9, 19).<\/li>\n<li>Dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a (v\u1ecb tr\u00ed, v\u1eadn t\u1ed1c, gia t\u1ed1c, l\u1ef1c) (B\u00e0i 5).<\/li>\n<li>\u0110\u1ed9 cao, chuy\u1ec3n \u0111\u1ed9ng l\u00ean\/xu\u1ed1ng c\u1ee7a ch\u1ea5t \u0111i\u1ec3m, t\u00e0u l\u01b0\u1ee3n (B\u00e0i 10, 11).<\/li>\n<\/ul>\n<p><strong>Kinh t\u1ebf \u2013 Th\u01b0\u01a1ng m\u1ea1i:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li>Doanh thu, t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i doanh thu (B\u00e0i 2, 17).<\/li>\n<li>Chi ph\u00ed, doanh thu, l\u1ee3i nhu\u1eadn, l\u1ee3i nhu\u1eadn trung b\u00ecnh (B\u00e0i 3, 4, 14).<\/li>\n<li>Gi\u00e1 th\u00e0nh s\u1ea3n ph\u1ea9m (B\u00e0i 13).<\/li>\n<li>Kim ng\u1ea1ch xu\u1ea5t kh\u1ea9u (B\u00e0i 18).<\/li>\n<\/ul>\n<p><strong>Y h\u1ecdc \u2013 Sinh h\u1ecdc:<\/strong><\/p>\n<p>S\u1ed1 l\u01b0\u1ee3ng vi khu\u1ea9n thay \u0111\u1ed5i theo th\u1eddi gian (B\u00e0i 8).<\/p>\n<p><strong>V\u1eadt l\u00fd \u2013 H\u00f3a h\u1ecdc:<\/strong><\/p>\n<p>Th\u1ec3 t\u00edch n\u01b0\u1edbc theo nhi\u1ec7t \u0111\u1ed9 (B\u00e0i 15).<\/p>\n<p><strong>H\u00ecnh h\u1ecdc:<\/strong><\/p>\n<p>Di\u1ec7n t\u00edch h\u00ecnh ch\u1eef nh\u1eadt n\u1ed9i ti\u1ebfp n\u1eeda \u0111\u01b0\u1eddng tr\u00f2n (B\u00e0i 12).<\/p>\n<p><strong>L\u1eddi gi\u1ea3i chi ti\u1ebft:<\/strong>\u00a0Cung c\u1ea5p l\u1eddi gi\u1ea3i v\u00e0 \u0111\u00e1p \u00e1n cho t\u1eebng b\u00e0i t\u1eadp, s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ea1o h\u00e0m, x\u00e9t d\u1ea5u \u0111\u1ea1o h\u00e0m, l\u1eadp b\u1ea3ng bi\u1ebfn thi\u00ean \u0111\u1ec3 k\u1ebft lu\u1eadn v\u1ec1 t\u00ednh \u0111\u01a1n \u0111i\u1ec7u v\u00e0 c\u1ef1c tr\u1ecb trong b\u1ed1i c\u1ea3nh th\u1ef1c t\u1ebf.<\/p>\n<p class=\"has-text-align-center\"><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\/1Ht8zsq0FLaSX5eNejUKS8S-1kdvX2j_L\/preview\" width=\"640\"><\/iframe><\/p>\n<h2 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-a304faaaacd046551d9bd3ddad225c75\" id=\"h-t\u1ea3i-tai-li\u1ec7u-toan-th\u1ef1c-t\u1ebf-chuyen-d\u1ec1-tinh-d\u01a1n-di\u1ec7u-va-c\u1ef1c-tr\u1ecb-ham-s\u1ed1\"><span class=\"ez-toc-section\" id=\"Tai_tai_lieu_Toan_thuc_te_chuyen_de_tinh_don_dieu_va_cuc_tri_ham_so\"><\/span>T\u1ea3i t\u00e0i li\u1ec7u To\u00e1n th\u1ef1c t\u1ebf chuy\u00ean \u0111\u1ec1 t\u00ednh \u0111\u01a1n \u0111i\u1ec7u v\u00e0 c\u1ef1c tr\u1ecb h\u00e0m s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1c b\u1ea1n c\u00f3 th\u1ec3 t\u1ea3i t\u00e0i li\u1ec7u \u00f4n t\u1eadp mi\u1ec5n ph\u00ed \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 has-text-align-center wp-element-button\" href=\"https:\/\/drive.google.com\/drive\/folders\/16PKhXqOYw0fE_v55_7SucT1rtIBXtl6i?usp=sharing\" rel=\"noreferrer noopener nofollow\" target=\"_blank\"><strong>T\u1ea2I T\u00c0I LI\u1ec6U (\u0110\u1ec0 + \u0110\u00c1P \u00c1N)<\/strong><\/a><\/div>\n<\/div>\n<p>\u2026<\/p>\n<p>Tham kh\u1ea3o: <strong><a href=\"https:\/\/tailieuonthi.org\/tai-lieu-tom-tat-kien-thuc-toan-10-11-12\/\" rel=\"noreferrer noopener\" target=\"_blank\">T\u00e0i li\u1ec7u t\u00f3m t\u1eaft ki\u1ebfn th\u1ee9c to\u00e1n 10 11 12<\/a><\/strong><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Chia s\u1ebb chuy\u00ean \u0111\u1ec1 t\u00ednh \u0111\u01a1n \u0111i\u1ec7u v\u00e0 c\u1ef1c tr\u1ecb h\u00e0m s\u1ed1 qua c\u00e1c b\u00e0i to\u00e1n th\u1ef1c t\u1ebf, ph\u01b0\u01a1ng ph\u00e1p x\u00e9t d\u1ea5u \u0111\u1ea1o h\u00e0m, \u1ee9ng d\u1ee5ng t\u1ed1i \u01b0u h\u00f3a v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng chi ti\u1ebft. N\u1ed9i dung t\u00e0i li\u1ec7u To\u00e1n th\u1ef1c t\u1ebf chuy\u00ean \u0111\u1ec1 t\u00ednh \u0111\u01a1n \u0111i\u1ec7u v\u00e0 c\u1ef1c tr\u1ecb h\u00e0m s\u1ed1 C\u00e1c n\u1ed9i [&#8230;]\n","protected":false},"author":1,"featured_media":2307,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,26],"tags":[],"class_list":["post-2308","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tai-lieu-toan","category-toan-12"],"_links":{"self":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/posts\/2308","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=2308"}],"version-history":[{"count":0,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/posts\/2308\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/media\/2307"}],"wp:attachment":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/media?parent=2308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/categories?post=2308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/tags?post=2308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}