\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n c\u1ee7a tr\u01b0\u1eddng THPT S\u1ed1 3 B\u1ea3o Th\u1eafng n\u0103m 2016, H\u00e0 N\u1ed9i, c\u00e1c em tham kh\u1ea3o d\u01b0\u1edbi \u0111\u00e2y:<\/strong><\/h2>\nC\u00e2u 6 (1,0 \u0111i\u1ec3m)<\/strong>Trong kh\u00f4ng gian v\u1edbi h\u1ec7 t\u1ecda \u0111\u1ed9 Oyxy, cho \u0111i\u1ec3m A(-1; 3; 2 ), B(1; -1; 4). Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh m\u1eb7t c\u1ea7u c\u00f3 \u0111\u01b0\u1eddng k\u00ednh AB.<\/p>\nC\u00e2u 7 (1,0 \u0111i\u1ec3m).<\/strong>Cho h\u00ecnh ch\u00f3p S.ABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh vu\u00f4ng c\u1ea1nh b\u1eb1ng 4a, c\u1ea1nh SA vu\u00f4ng g\u00f3c v\u1edbi m\u1eb7t ph\u1eb3ng \u0111\u00e1y. G\u00f3c gi\u1eefa c\u1ea1nh SC v\u00e0 m\u1eb7t ph\u1eb3ng (ABCD) b\u1eb1ng , M l\u00e0 trung \u0111i\u1ec3m c\u1ee7a BC, N l\u00e0 \u0111i\u1ec3m thu\u1ed9c c\u1ea1nh AD sao cho DN = a. T\u00ednh theo a th\u1ec3 t\u00edch kh\u1ed1i ch\u00f3p S.ABCD v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111\u01b0\u1eddng th\u1eb3ng SB v\u00e0 MN.<\/p>\n![](\"http:\/\/img.toanhoc247.com\/picture\/2016\/0307\/de-thi-thu-thptqg-toan-bao-thang-2016-1.jpg\")
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\u0110\u00e1p \u00e1n: \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n – THPT S\u1ed1 3 B\u1ea3o Th\u1eafng n\u1eafm 2016<\/strong><\/p>\n![](\"http:\/\/img.toanhoc247.com\/picture\/2016\/0307\/de-thi-thu-thptqg-toan-bao-thang-2016-2.jpg\")
<\/strong><\/p>\nXem \u0111\u00e1p \u00e1n \u0111\u1ea7y \u0111\u1ee7 t\u1ea1i \u0111\u00e2y: http:\/\/tuyensinh247.com\/khoa-98-de-thi-thu-thpt-quoc-gia-toan-hoc-hay-nhat-cua-cac-truong-thpt-chuyen-tren-toan-quoc-nam-2016-k151.html<\/strong><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n c\u1ee7a tr\u01b0\u1eddng THPT S\u1ed1 3 B\u1ea3o Th\u1eafng n\u0103m 2016, H\u00e0 N\u1ed9i, c\u00e1c em tham kh\u1ea3o d\u01b0\u1edbi \u0111\u00e2y: C\u00e2u 6 (1,0 \u0111i\u1ec3m)Trong kh\u00f4ng gian v\u1edbi h\u1ec7 t\u1ecda \u0111\u1ed9 Oyxy, cho \u0111i\u1ec3m A(-1; 3; 2 ), B(1; -1; 4). Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh m\u1eb7t c\u1ea7u c\u00f3 \u0111\u01b0\u1eddng k\u00ednh AB. C\u00e2u […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[28],"tags":[],"yoast_head":"\n
\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n - THPT S\u1ed1 3 B\u1ea3o Th\u1eafng 2016<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n - THPT S\u1ed1 3 B\u1ea3o Th\u1eafng 2016\" \/>\n<meta property=\"og:description\" content=\"\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n c\u1ee7a tr\u01b0\u1eddng THPT S\u1ed1 3 B\u1ea3o Th\u1eafng n\u0103m 2016, H\u00e0 N\u1ed9i, c\u00e1c em tham kh\u1ea3o d\u01b0\u1edbi \u0111\u00e2y: C\u00e2u 6 (1,0 \u0111i\u1ec3m)Trong kh\u00f4ng gian v\u1edbi h\u1ec7 t\u1ecda \u0111\u1ed9 Oyxy, cho \u0111i\u1ec3m A(-1; 3; 2 ), B(1; -1; 4). Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh m\u1eb7t c\u1ea7u c\u00f3 \u0111\u01b0\u1eddng k\u00ednh AB. C\u00e2u […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:author\" content=\"www.facebook.com\/lop12.edu.vn\/\" \/>\n<meta property=\"article:published_time\" content=\"2016-03-19T22:47:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-03-20T15:52:31+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/img.toanhoc247.com\/picture\/2016\/0307\/de-thi-thu-thptqg-toan-bao-thang-2016-1.jpg\" \/>\n<meta name=\"author\" content=\"Lop12\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Lop12\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/\",\"url\":\"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/\",\"name\":\"\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n - THPT S\u1ed1 3 B\u1ea3o Th\u1eafng 2016\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2016-03-19T22:47:36+00:00\",\"dateModified\":\"2016-03-20T15:52:31+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/8219caa3d91a087a4ce81b8b5ac734b5\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n – THPT S\u1ed1 3 B\u1ea3o Th\u1eafng 2016\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lop12.edu.vn\/#website\",\"url\":\"https:\/\/lop12.edu.vn\/\",\"name\":\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/lop12.edu.vn\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/8219caa3d91a087a4ce81b8b5ac734b5\",\"name\":\"Lop12\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/65b2897b6a31b932be1276ba7fc18d41?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/65b2897b6a31b932be1276ba7fc18d41?s=96&d=mm&r=g\",\"caption\":\"Lop12\"},\"sameAs\":[\"http:\/\/www.lop12.edu.vn\",\"www.facebook.com\/lop12.edu.vn\/\"],\"url\":\"https:\/\/lop12.edu.vn\/author\/hungld\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n - THPT S\u1ed1 3 B\u1ea3o Th\u1eafng 2016","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:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/","og_locale":"en_US","og_type":"article","og_title":"\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n - THPT S\u1ed1 3 B\u1ea3o Th\u1eafng 2016","og_description":"\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n c\u1ee7a tr\u01b0\u1eddng THPT S\u1ed1 3 B\u1ea3o Th\u1eafng n\u0103m 2016, H\u00e0 N\u1ed9i, c\u00e1c em tham kh\u1ea3o d\u01b0\u1edbi \u0111\u00e2y: C\u00e2u 6 (1,0 \u0111i\u1ec3m)Trong kh\u00f4ng gian v\u1edbi h\u1ec7 t\u1ecda \u0111\u1ed9 Oyxy, cho \u0111i\u1ec3m A(-1; 3; 2 ), B(1; -1; 4). Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh m\u1eb7t c\u1ea7u c\u00f3 \u0111\u01b0\u1eddng k\u00ednh AB. C\u00e2u […]","og_url":"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/","og_site_name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam","article_author":"www.facebook.com\/lop12.edu.vn\/","article_published_time":"2016-03-19T22:47:36+00:00","article_modified_time":"2016-03-20T15:52:31+00:00","og_image":[{"url":"http:\/\/img.toanhoc247.com\/picture\/2016\/0307\/de-thi-thu-thptqg-toan-bao-thang-2016-1.jpg"}],"author":"Lop12","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Lop12","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/","url":"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/","name":"\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n - THPT S\u1ed1 3 B\u1ea3o Th\u1eafng 2016","isPartOf":{"@id":"https:\/\/lop12.edu.vn\/#website"},"datePublished":"2016-03-19T22:47:36+00:00","dateModified":"2016-03-20T15:52:31+00:00","author":{"@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/8219caa3d91a087a4ce81b8b5ac734b5"},"breadcrumb":{"@id":"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-toan-thpt-so-3-bao-thang-2016\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lop12.edu.vn\/"},{"@type":"ListItem","position":2,"name":"\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n – THPT S\u1ed1 3 B\u1ea3o Th\u1eafng 2016"}]},{"@type":"WebSite","@id":"https:\/\/lop12.edu.vn\/#website","url":"https:\/\/lop12.edu.vn\/","name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lop12.edu.vn\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/8219caa3d91a087a4ce81b8b5ac734b5","name":"Lop12","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/65b2897b6a31b932be1276ba7fc18d41?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/65b2897b6a31b932be1276ba7fc18d41?s=96&d=mm&r=g","caption":"Lop12"},"sameAs":["http:\/\/www.lop12.edu.vn","www.facebook.com\/lop12.edu.vn\/"],"url":"https:\/\/lop12.edu.vn\/author\/hungld\/"}]}},"_links":{"self":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/1337"}],"collection":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/comments?post=1337"}],"version-history":[{"count":0,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/1337\/revisions"}],"wp:attachment":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media?parent=1337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/categories?post=1337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/tags?post=1337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
C\u00e2u 7 (1,0 \u0111i\u1ec3m).<\/strong>Cho h\u00ecnh ch\u00f3p S.ABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh vu\u00f4ng c\u1ea1nh b\u1eb1ng 4a, c\u1ea1nh SA vu\u00f4ng g\u00f3c v\u1edbi m\u1eb7t ph\u1eb3ng \u0111\u00e1y. G\u00f3c gi\u1eefa c\u1ea1nh SC v\u00e0 m\u1eb7t ph\u1eb3ng (ABCD) b\u1eb1ng , M l\u00e0 trung \u0111i\u1ec3m c\u1ee7a BC, N l\u00e0 \u0111i\u1ec3m thu\u1ed9c c\u1ea1nh AD sao cho DN = a. T\u00ednh theo a th\u1ec3 t\u00edch kh\u1ed1i ch\u00f3p S.ABCD v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111\u01b0\u1eddng th\u1eb3ng SB v\u00e0 MN.<\/p>\n \u0110\u00e1p \u00e1n: \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n – THPT S\u1ed1 3 B\u1ea3o Th\u1eafng n\u1eafm 2016<\/strong><\/p>\n Xem \u0111\u00e1p \u00e1n \u0111\u1ea7y \u0111\u1ee7 t\u1ea1i \u0111\u00e2y: http:\/\/tuyensinh247.com\/khoa-98-de-thi-thu-thpt-quoc-gia-toan-hoc-hay-nhat-cua-cac-truong-thpt-chuyen-tren-toan-quoc-nam-2016-k151.html<\/strong><\/p><\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n c\u1ee7a tr\u01b0\u1eddng THPT S\u1ed1 3 B\u1ea3o Th\u1eafng n\u0103m 2016, H\u00e0 N\u1ed9i, c\u00e1c em tham kh\u1ea3o d\u01b0\u1edbi \u0111\u00e2y: C\u00e2u 6 (1,0 \u0111i\u1ec3m)Trong kh\u00f4ng gian v\u1edbi h\u1ec7 t\u1ecda \u0111\u1ed9 Oyxy, cho \u0111i\u1ec3m A(-1; 3; 2 ), B(1; -1; 4). Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh m\u1eb7t c\u1ea7u c\u00f3 \u0111\u01b0\u1eddng k\u00ednh AB. C\u00e2u […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[28],"tags":[],"yoast_head":"\n<\/p>\n<\/strong><\/p>\n