{"id":256,"date":"2019-06-11T16:19:15","date_gmt":"2019-06-11T09:19:15","guid":{"rendered":"http:\/\/www.truyenthong.edu.vn\/?p=256"},"modified":"2019-06-11T16:19:15","modified_gmt":"2019-06-11T09:19:15","slug":"ung-dung-luong-giac-de-giai-cac-bai-tap-dai-so-thpt","status":"publish","type":"post","link":"https:\/\/truyenthong.edu.vn\/sanpham\/2019\/06\/11\/ung-dung-luong-giac-de-giai-cac-bai-tap-dai-so-thpt\/","title":{"rendered":"\u1ee8ng d\u1ee5ng L\u01b0\u1ee3ng gi\u00e1c \u0111\u1ec3 gi\u1ea3i c\u00e1c b\u00e0i t\u1eadp \u0110\u1ea1i s\u1ed1 THPT"},"content":{"rendered":"\n<p>Lu\u031b\u01a1\u0323ng gia\u0301c la\u0300 m\u1ecd\u0302t nha\u0301nh cu\u0309a toa\u0301n ho\u0323c co\u0301 ngu\u00f4\u0300n g\u00f4\u0301c t\u01b0\u0300 Hy La\u0323p. \u0110a\u0302y la\u0300 m\u1ecd\u0302t m\u1ecd\u0302t da\u0323ng toa\u0301n v\u01a1\u0301i mu\u0323c \u0111i\u0301ch ti\u0300m hi\u00ea\u0309u v\u00ea\u0300 hi\u0300nh tam gia\u0301c cu\u0303ng nhu\u031b s\u01b0\u0323 lie\u0302n h\u1eb9\u0302 gi\u01b0\u0303a ca\u0301c ca\u0323nh cu\u0309a tam gia\u0301c va\u0300 go\u0301c \u0111\u1ecd\u0302 cu\u0309a no\u0301. Lu\u031b\u01a1\u0323ng gia\u0301c giu\u0301p chi\u0309 ra ca\u0301c ha\u0300m s\u00f4\u0301 lu\u031b\u01a1\u0323ng gia\u0301c.Toa\u0301n lu\u031b\u01a1\u0323ng gia\u0301c sinh ra t\u01b0\u0300 th\u00ea\u0301 ki\u0309 th\u01b0\u0301 3 TCN.Ca\u0301c nha\u0300 toa\u0301n ho\u0323c c\u00f4\u0309 cu\u0309a n\u00ea\u0300n toa\u0301n ho\u0323c \u00c2\u0301n \u0111\u1ecd\u0302 c\u00f4\u0309 \u0111a\u0323i la\u0300nh\u01b0\u0303ng ngu\u031b\u01a1\u0300i tie\u0302n phong trong vi\u1eb9\u0302c s\u01b0\u0309 du\u0323ng ti\u0301nh toa\u0301n ca\u0301c \u00e2\u0309n s\u00f4\u0301 \u0111a\u0323i s\u00f4\u0301 \u0111\u00ea\u0309 s\u01b0\u0309 du\u0323ng trong ca\u0301c ti\u0301nh toa\u0301n thie\u0302n va\u0306n va\u0300 lu\u031b\u01a1\u0323ng gia\u0301c.Lu\u031b\u01a1\u0323ng gia\u0301c la\u0300 m\u1ecd\u0302t nha\u0301nh be\u0302n hi\u0300nh ho\u0323c va\u0300 \u0111u\u031b\u01a1\u0323c du\u0300ng chu\u0309 y\u00ea\u0301u v\u01a1\u0301i mu\u0323c \u0111i\u0301ch nghie\u0302n c\u01b0\u0301u thie\u0302n va\u0306n. \u0110\u00f4\u0300ng th\u01a1\u0300i no\u0301 cu\u0303ng la\u0300 n\u00ea\u0300n m\u00f4\u0301ng cho nga\u0300nh ngh\u1eb9\u0302 thu\u1ea1\u0302t \u01b0\u0301ng du\u0323ng tr\u0103\u0301c \u0111i\u0323a, xa\u0302y d\u01b0\u0323ng, \u0111\u00f4\u0300 ho\u0323a ma\u0301y ti\u0301nh, ba\u0309n \u0111\u00f4\u0300 ho\u0323c, tinh th\u00ea\u0309 ho\u0323c&#8230;<\/p>\n\n\n<!--more-->\n\n\n<p><br \/> Trong khuo\u0302n kh\u00f4\u0309 toa\u0301n ph\u00f4\u0309 tho\u0302ng, lu\u031b\u01a1\u0323ng gia\u0301c \u0111u\u031b\u01a1\u0323c \u0111u\u031ba va\u0300o gia\u0309ng da\u0323y va\u0300o cu\u00f4\u0301i na\u0306m l\u01a1\u0301p 10 va\u0300 \u0111\u00e2\u0300u na\u0306m l\u01a1\u0301p 11 v\u01a1\u0301i nh\u01b0\u0303ng chu\u0309 \u0111\u00ea\u0300 co\u031b ba\u0309n nhu\u031b : co\u0302ng th\u01b0\u0301c lu\u031b\u01a1\u0323ng gia\u0301c, phu\u031bo\u031bng tri\u0300nh lu\u031b\u01a1\u0323ng gia\u0301c,h\u1eb9\u0302 th\u01b0\u0301c lu\u031b\u01a1\u0323ng trong tam gia\u0301c. Tuy nhie\u0302n , th\u01b0\u0323c t\u00ea\u0301 r\u00e2\u0301t i\u0301t ho\u0323c sinh co\u0301 th\u00ea\u0309 bi\u00ea\u0301t \u0111u\u031b\u01a1\u0323c h\u00ea\u0301t ca\u0301c \u01b0\u0301ng du\u0323ng cu\u0309a lu\u031b\u01a1\u0323ng gia\u0301c, \u0111\u1ea1\u0306c bi\u1eb9\u0302t v\u1ea1\u0302n du\u0323ng va\u0300o \u0111\u00ea\u0309 gia\u0309i ca\u0301c ba\u0300i t\u1ea1\u0302p \u0111a\u0323i s\u00f4\u0301 t\u01b0\u0300 \u0111o\u031bn gia\u0309n ph\u01b0\u0301c ta\u0323p. Ho\u0323c sinh co\u0301 th\u00ea\u0309 lu\u031b\u01a1\u0323ng gia\u0301c ho\u0301a \u0111\u00ea\u0309 gia\u0309i ca\u0301c ba\u0300i t\u1ea1\u0302p \u0111a\u0323i s\u00f4\u0301. \u0110a\u0302y la\u0300 m\u1ecd\u0302t phu\u031bo\u031bng pha\u0301p kha\u0301 r\u1ecd\u0302ng.V\u01a1\u0301i m\u00f4\u0303i loa\u0323i ba\u0300i toa\u0301n la\u0323i co\u0301 m\u1ecd\u0302t da\u0323ng rie\u0302ng bi\u1eb9\u0302t, kho\u0302ng m\u1ecd\u0302t ba\u0300i na\u0300o gi\u00f4\u0301ng hoa\u0300n toa\u0300n v\u01a1\u0301i ba\u0300i na\u0300o ne\u0302n kho\u0302ng co\u0301 ca\u0301ch na\u0300o hi\u1eb9\u0302u qua\u0309 cho toa\u0300n b\u1ecd\u0302 ca\u0301c ba\u0300i toa\u0301n. Tuy nhie\u0302n ta co\u0301 th\u00ea\u0309 kha\u0301i qua\u0301t n\u1ecd\u0302i dung v\u01a1\u0301i phu\u031bo\u031bng pha\u0301p s\u01b0\u0309 du\u0323ng ha\u0300m lu\u031b\u01a1\u0323ng gia\u0301c \u0111\u00ea\u0309 gia\u0309i ca\u0301c ba\u0300i toa\u0301n \u0111a\u0323i s\u00f4\u0301. T\u01b0\u0301c la\u0300 ti\u0300m ca\u0301ch bi\u00ea\u0301n \u0111\u00f4\u0309i lu\u031b\u01a1\u0323ng gia\u0301c phu\u0300 h\u01a1\u0323p v\u01a1\u0301i gia\u0309 thi\u00ea\u0301t cu\u0309a ba\u0300i toa\u0301n \u0111\u00ea\u0309 \u0111u\u031ba v\u00ea\u0300 m\u1ecd\u0302t \u0111\u0103\u0309ng th\u01b0\u0301c, b\u00e2\u0301t \u0111\u0103\u0309ng th\u01b0\u0301c, pu\u031bo\u031bng tri\u0300nh, b\u00e2\u0301t phu\u031bo\u031bng tri\u0300nh \u0111a\u0323i s\u00f4\u0301 hay ha\u0300m s\u00f4\u0301 \u0111a\u0323i s\u00f4\u0301 ph\u01b0\u0301c ta\u0323p v\u00ea\u0300 m\u1ecd\u0302t bi\u00ea\u0309u th\u01b0\u0301c lu\u031b\u01a1\u0323ng gia\u0301c tu\u031bo\u031bng \u0111\u00f4\u0301i \u0111o\u031bn gia\u0309n va\u0300 t\u01b0\u0300 \u0111o\u0301 s\u01b0\u0309 du\u0323ng ca\u0301c co\u0302ng th\u01b0\u0301c bi\u00ea\u0301n \u0111\u00f4\u0309i lu\u031b\u01a1\u0323ng gia\u0301c quen thu\u1ecd\u0302c \u0111\u00ea\u0309 ti\u0300m ra l\u01a1\u0300i gia\u0309i cho ba\u0300i toa\u0301n.<br \/> Co\u0301 th\u00ea\u0309 no\u0301i lu\u031b\u01a1\u0323ng gia\u0301c la\u0300 m\u1ecd\u0302t nha\u0301nh cua\u0309 toa\u0301n kha\u0301 thu\u0301 vi\u0323 va\u0300 \u0111u\u031b\u01a1\u0323c ye\u0302u thi\u0301ch.M\u1ea1\u0306c du\u0300 kho\u0302ng co\u0301 qua\u0301 nhi\u00ea\u0300u ki\u00ea\u0301n th\u01b0\u0301c nhu\u031bng \u0111\u1ecd\u0302 kho\u0301 cu\u0309a no\u0301 kha\u0301 cao \u0111\u1ea1\u0306c bi\u1eb9\u0302t la\u0300 \u0111\u00f4\u0301i v\u01a1\u0301i ca\u0301c em ho\u0323c sinh.Vi\u0300 nh\u01b0\u0303ng phu\u031bo\u031bng tri\u0300nh lu\u031b\u01a1\u0323ng gia\u0301c co\u0301 \u0111\u1ea1\u0306c tru\u031bng kha\u0301c hoa\u0300n toa\u0300n so v\u01a1\u0301i ca\u0301c loa\u0323i phu\u031bo\u031bng tri\u0300nh bi\u0300nh thu\u031b\u01a1\u0300ng. Du\u0300 hi\u1eb9\u0302n nay \u0111a\u0303 \u0111\u00f4\u0309i sang hi\u0300nh th\u01b0\u0301c thi tr\u0103\u0301c nghi\u1eb9\u0302m nhu\u031bng lu\u031b\u01a1\u0323ng gia\u0301c v\u00e2\u0303n \u0111o\u0301ng m\u1ecd\u0302t vai tro\u0300 quan tro\u0323ng trong \u0111\u00ea\u0300 thi THPT Qu\u00f4\u0301c gia. Ye\u0302u c\u00e2\u0300u v\u00ea\u0300 vi\u1eb9\u0302c s\u01b0\u0309 du\u0323ng tha\u0300nh tha\u0323o lu\u031b\u01a1\u0323ng gia\u0301c \u0111\u00ea\u0309 gia\u0309i ca\u0301c ba\u0300i t\u1ea1\u0302p \u0111a\u0323i s\u00f4\u0301 \u0111\u1ea1\u0306t ra nhu\u031b la\u0300 m\u1ecd\u0302t v\u00e2\u0301n \u0111\u00ea\u0300 thi\u00ea\u0301t y\u00ea\u0301u \u0111\u00f4\u0301i v\u01a1\u0301i ca\u0301c em ho\u0323c sinh nga\u0300y nga\u0300y nay.<\/p>\n\n\n<p>Th\u00f4ng tin v\u1ec1 s\u1ea3n ph\u1ea9m:<\/p>\n\n\n<ul class=\"wp-block-list\"><li>H\u1ecdc ph\u1ea7n: Ho\u1ea1t \u0111\u1ed9ng Tr\u1ea3i nghi\u1ec7m s\u00e1ng t\u1ea1o<\/li><li>N\u0103m: 2018<\/li><li>T\u00e1c gi\u1ea3: D\u01b0\u01a1ng C\u1ea9m Qu\u1ef3nh Oanh<\/li><li>T\u1ea3i v\u1ec1 (pdf): <a href=\"https:\/\/drive.google.com\/file\/d\/1HPiMWFL6wvqyTJZhOTw9OGFXHehUBSgx\/view?usp=sharing\">B\u1ea3n pdf<\/a><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Lu\u031b\u01a1\u0323ng gia\u0301c la\u0300 m\u1ecd\u0302t nha\u0301nh cu\u0309a toa\u0301n ho\u0323c co\u0301 ngu\u00f4\u0300n g\u00f4\u0301c t\u01b0\u0300 Hy La\u0323p. \u0110a\u0302y la\u0300 m\u1ecd\u0302t m\u1ecd\u0302t da\u0323ng toa\u0301n v\u01a1\u0301i mu\u0323c \u0111i\u0301ch ti\u0300m hi\u00ea\u0309u v\u00ea\u0300 hi\u0300nh tam gia\u0301c cu\u0303ng nhu\u031b s\u01b0\u0323 lie\u0302n h\u1eb9\u0302 gi\u01b0\u0303a ca\u0301c ca\u0323nh cu\u0309a tam gia\u0301c va\u0300 go\u0301c \u0111\u1ecd\u0302 cu\u0309a no\u0301. Lu\u031b\u01a1\u0323ng gia\u0301c giu\u0301p chi\u0309 ra ca\u0301c ha\u0300m s\u00f4\u0301 lu\u031b\u01a1\u0323ng gia\u0301c.Toa\u0301n [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[96,165],"class_list":["post-256","post","type-post","status-publish","format-standard","hentry","category-hoat-dong-trai-nghiem","tag-luong-giac","tag-trai-nghiem"],"_links":{"self":[{"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/posts\/256","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/comments?post=256"}],"version-history":[{"count":0,"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/posts\/256\/revisions"}],"wp:attachment":[{"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/media?parent=256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/categories?post=256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/truyenthong.edu.vn\/sanpham\/wp-json\/wp\/v2\/tags?post=256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}