{"id":949,"date":"2013-01-23T07:05:20","date_gmt":"2013-01-23T00:05:20","guid":{"rendered":"https:\/\/hoasen.ntc33.net\/tuyensinh\/giai-phap-on-thi-mon-toan-dat-hieu-qua-cao\/"},"modified":"2023-10-05T08:59:06","modified_gmt":"2023-10-05T01:59:06","slug":"giai-phap-on-thi-mon-toan-dat-hieu-qua-cao","status":"publish","type":"post","link":"https:\/\/ntc33.net\/tuyensinh\/giai-phap-on-thi-mon-toan-dat-hieu-qua-cao\/","title":{"rendered":"Gi\u1ea3i ph\u00e1p \u00f4n thi m\u00f4n To\u00e1n \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao"},"content":{"rendered":"<\/p>\n<div class=\"field field-name-body field-type-text-with-summary field-label-hidden\">\n<div class=\"field-items\">\n<div class=\"field-item even\" property=\"content:encoded\">\n<p class=\"rtejustify\">M\u00f4n To\u00e1n l\u00e0 m\u00f4n thi r\u1ea5t quan tr\u1ecdng trong c\u1ea3 k\u1ef3 thi t\u1ed1t nghi\u1ec7p THPT v\u00e0 thi tuy\u1ec3n sinh \u0111\u1ea1i h\u1ecdc, cao \u0111\u1eb3ng. Tuy nhi\u00ean, nhi\u1ec1u b\u1ea1n th\u00ed sinh kh\u00f4ng th\u1ef1c s\u1ef1 t\u1ef1 tin khi l\u1ef1a ch\u1ecdn c\u00e1c kh\u1ed1i thi c\u00f3 m\u00f4n To\u00e1n. \u00a0Nh\u1eb1m gi\u00fap c\u00e1c b\u1ea1n th\u00ed sinh c\u00f3 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc t\u1eadp v\u00e0 \u00f4n thi hi\u1ec7u qu\u1ea3 \u0111\u1ec3 v\u1eefng tin b\u01b0\u1edbc v\u00e0o c\u00e1c k\u1ef3 thi s\u1eafp t\u1edbi.Tuvantuyensinh.vn c\u00f3 bu\u1ed5i tr\u00f2 chuy\u1ec7n v\u1edbi Ti\u1ebfn s\u0129 Nguy\u1ec5n Vi\u1ebft \u0110\u00f4ng, Ch\u1ee7 nhi\u1ec7m B\u1ed9 m\u00f4n Gi\u00e1o d\u1ee5c To\u00e1n h\u1ecdc, Gi\u1ea3ng vi\u00ean \u0110\u1ea1i h\u1ecdc Qu\u1ed1c gia TP. H\u1ed3 Ch\u00ed Minh.<\/p>\n<table align=\"center\" class=\"center image\" style=\"background-color:rgb(233, 233, 233); border-collapse:collapse; color:rgb(0, 68, 136); font-family:times new roman; font-size:16px; margin-bottom:10px; text-align:justify; width:465px\">\n<tbody>\n<tr>\n<td style=\"text-align:center\"><img decoding=\"async\" alt=\"Ti\u1ebfn s\u0129 Nguy\u1ec5n Vi\u1ebft \u0110\u00f4ng \u0111ang tr\u1ea3 l\u1eddi b\u1ea1n \u0111\u1ecdc c\u1ee7a tuvantuyensinh.vn\" src=\"https:\/\/ntc33.net\/tuyensinh\/wp-content\/uploads\/sites\/7\/2021\/11\/images1177521_nd.jpg\" style=\"border:0px none; height:350px; max-width:455px; width:480px\" title=\"images1177521_nd\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:center\">\n<p>Ti\u1ebfn s\u0129 Nguy\u1ec5n Vi\u1ebft \u0110\u00f4ng \u0111ang tr\u1ea3 l\u1eddi b\u1ea1n \u0111\u1ecdc c\u1ee7a tuvantuyensinh.vn<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div><strong><em>Th\u01b0a Th\u1ea7y, Th\u1ea7y c\u00f3 th\u1ec3 cho c\u00e1c b\u1ea1n th\u00ed sinh bi\u1ebft m\u1ed9t s\u1ed1 \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd khi \u00f4n thi m\u00f4n To\u00e1n?<\/em><\/strong><\/div>\n<div>Khi \u00f4n thi c\u00e1c b\u1ea1n th\u00ed sinh c\u1ea7n l\u01b0u \u00fd \u00a0m\u1ed9t s\u1ed1 \u0111i\u1ec3m sau \u00a0\u0111\u00e2y:<\/div>\n<div>(1) Th\u00ed sinh ch\u01b0a h\u1ecdc k\u1ef9 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n \u0111\u00e3 lo gi\u1ea3i to\u00e1n do \u0111\u00f3 nhi\u1ec1u khi g\u1eb7p sai l\u1ea7m m\u00e0 kh\u00f4ng bi\u1ebft;<\/div>\n<div>(2) Th\u00ed sinh kh\u00f4ng bi\u1ebft ph\u00e2n lo\u1ea1i c\u00e1c d\u1ea1ng to\u00e1n thi d\u1eabn \u0111\u1ebfn g\u1eb7p b\u00e0i to\u00e1n d\u1ec5 l\u00fang t\u00fang;<\/div>\n<div>(3) Kh\u00f4ng luy\u1ec7n t\u1eadp gi\u1ea3i v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh, do \u0111\u00f3 khi \u0111i thi kh\u00f4ng \u0111\u1ee7 th\u1eddi gian l\u00e0m b\u00e0i;<\/div>\n<div>(4) D\u00e0nh qu\u00e1 nhi\u1ec1u th\u1eddi gian \u0111\u1ec3 gi\u1ea3i c\u00e1c b\u00e0i to\u00e1n kh\u00f3, nh\u1eefng d\u1ea1ng to\u00e1n n\u00e0y ch\u1ec9 chi\u1ebfm ph\u1ea7n r\u1ea5t nh\u1ecf trong \u0111\u1ec1 thi.<\/div>\n<div>\u00a0<\/div>\n<div><strong><em>Trong c\u00e1c k\u1ef3 thi \u0111\u1ea1i h\u1ecdc, cao \u0111\u1eb3ng th\u00ec ki\u1ebfn th\u1ee9c m\u00f4n To\u00e1n l\u1edbp 10, 11 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 th\u1ebf n\u00e0o ?<\/em><\/strong><\/div>\n<div>Ki\u1ebfn th\u1ee9c to\u00e1n h\u1ecdc c\u00f3 m\u1ed1i li\u00ean quan ch\u1eb7t ch\u1ebd v\u1edbi nhau. N\u1ebfu c\u00e1c b\u1ea1n th\u00ed sinh kh\u00f4ng n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c \u1edf l\u1edbp d\u01b0\u1edbi th\u00ec kh\u00f4ng th\u1ec3 h\u1ecdc t\u1ed1t ki\u1ebfn th\u1ee9c l\u1edbp tr\u00ean \u0111\u01b0\u1ee3c. Ch\u1eb3ng h\u1ea1n kh\u00f4ng th\u1ec3 gi\u1ea3i t\u1ed1t b\u00e0i to\u00e1n t\u00edch ph\u00e2n c\u1ee7a h\u00e0m l\u01b0\u1ee3ng gi\u00e1c ( l\u1edbp 12) n\u1ebfu kh\u00f4ng h\u1ecdc t\u1ed1t c\u00e1c ki\u1ebfn th\u1ee9c l\u01b0\u1ee3ng gi\u00e1c \u1edf l\u1edbp 10, 11. Kh\u00f4ng bi\u1ebft x\u00e9t chi\u1ec1u bi\u1ebfn thi\u00ean c\u1ee7a h\u00e0m s\u1ed1 (l\u1edbp 12) n\u1ebfu kh\u00f4ng bi\u1ebft c\u00e1ch x\u00e9t d\u1ea5u c\u1ee7a \u0111a th\u1ee9c, ph\u00e2n th\u1ee9c (l\u1edbp 10).<\/div>\n<div>Trong \u0111\u1ec1 thi \u0111\u1ea1i h\u1ecdc m\u00f4n To\u00e1n c\u00f3 nh\u1eefng ph\u1ea7n c\u00e2u h\u1ecfi n\u1eb1m ho\u00e0n to\u00e0n trong ch\u01b0\u01a1ng tr\u00ecnh l\u1edbp 10, 11: ph\u01b0\u01a1ng tr\u00ecnh, b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh, h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh (c\u00f3 ch\u1ee9a c\u0103n ho\u1eb7c kh\u00f4ng c\u00f3 ch\u1ee9a c\u0103n), ph\u01b0\u01a1ng tr\u00ecnh l\u01b0\u1ee3ng gi\u00e1c, b\u1ea5t \u0111\u1eb3ng th\u1ee9c, h\u00ecnh h\u1ecdc gi\u1ea3i t\u00edch trong m\u1eb7t ph\u1eb3ng, h\u00ecnh h\u1ecdc kh\u00f4ng gian,\u2026Th\u00ed sinh c\u1ea7n ph\u1ea3i c\u00f3 k\u1ebf ho\u1ea1ch \u00f4n t\u1eadp nh\u1eefng ph\u1ea7n ki\u1ebfn th\u1ee9c n\u00e0y.<\/div>\n<div>\u00a0<\/div>\n<div><em><strong>C\u00e1c em h\u1ecdc sinh th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n khi gi\u1ea3i c\u00e1c b\u00e0i to\u00e1n h\u00ecnh h\u1ecdc kh\u00f4ng gian, Th\u1ea7y c\u00f3 th\u1ec3 chia s\u1ebb ph\u01b0\u01a1ng ph\u00e1p khi gi\u1ea3i c\u00e1c b\u00e0i to\u00e1n n\u00e0y?<\/strong><\/em><\/div>\n<div>Khi gi\u1ea3i c\u00e1c b\u00e0i to\u00e1n h\u00ecnh h\u1ecdc kh\u00f4ng gian, th\u00ed sinh c\u1ea7n ch\u00fa \u00fd:<\/div>\n<div>(1) \u0110\u1ea7u ti\u00ean ph\u1ea3i h\u1ecdc v\u00e0 gi\u1ea3i c\u00e1c b\u00e0i to\u00e1n c\u01a1 b\u1ea3n: quan h\u1ec7 song song, quan h\u1ec7 vu\u00f4ng g\u00f3c, x\u00e1c \u0111\u1ecbnh thi\u1ebft di\u1ec7n;<\/div>\n<div>(2) N\u1eafm \u0111\u01b0\u1ee3c c\u00e1c y\u1ebfu t\u1ed1 x\u00e1c \u0111\u1ecbnh, t\u00ednh ch\u1ea5t c\u1ee7a c\u00e1c kh\u1ed1i: ch\u00f3p, tr\u1ee5, c\u1ea7u. C\u00e1ch t\u00ednh c\u00e1c y\u1ebfu t\u1ed1 c\u1ee7a ch\u00fang;<\/div>\n<div>(3) Sau c\u00f9ng m\u1edbi gi\u1ea3i c\u00e1c b\u00e0i to\u00e1n c\u00f3 t\u00ednh ch\u1ea5t t\u1ed5ng h\u1ee3p (\u0111\u1ec1 thi, b\u00e0i t\u1eadp \u00f4n cu\u1ed1i n\u0103m);<\/div>\n<div>(4) D\u00e0nh th\u1eddi gian t\u1eadp v\u1ebd h\u00ecnh ch\u00ednh x\u00e1c, tr\u1ef1c quan.<\/div>\n<div>\u00a0<\/div>\n<div><em><strong>Trong c\u00e1c k\u1ef3 thi \u0111\u1ea1i h\u1ecdc, nhi\u1ec1u b\u1ea1n ch\u1ec9 gi\u1ecfi c\u00e1c m\u00f4n V\u0103n, Ti\u1ebfng Anh m\u00e0 kh\u00f4ng t\u1ef1 tin \u1edf m\u00f4n To\u00e1n n\u00ean \u0111\u00e1nh m\u1ea5t nhi\u1ec1u c\u01a1 h\u1ed9i \u1edf kh\u1ed1i D1. Th\u1ea7y c\u00f3 th\u1ec3 \u0111\u01b0a ra l\u1eddi khuy\u00ean khi \u00f4n thi m\u00f4n To\u00e1n \u0111\u1ec3 c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 tin h\u01a1n khi l\u1ef1a ch\u1ecdn c\u00e1c ng\u00e0nh, ngh\u1ec1 thu\u1ed9c kh\u1ed1i D1 ?<\/strong><\/em><\/div>\n<div>Khi thi kh\u1ed1i D ph\u1ea3i \u00f4n \u0111\u1ec1u c\u1ea3 3 m\u00f4n, khi kh\u00f4ng t\u1ef1 tin \u1edf m\u00f4n To\u00e1n m\u00e0 ch\u1ec9 t\u1eadp trung m\u00f4n V\u0103n v\u00e0 Ti\u1ebfng Anh th\u00ec sai l\u1ea7m. C\u00e1c b\u1ea1n th\u00ed sinh kh\u00f4ng t\u1ef1 tin \u1edf m\u00f4n To\u00e1n c\u00f3 th\u1ec3 l\u00e0 kh\u00f4ng t\u1ef1 tin \u1edf m\u1ed9t s\u1ed1 d\u1ea1ng to\u00e1n kh\u00f3. C\u00e1c b\u1ea1n kh\u00f4ng n\u00ean qu\u00e1 lo l\u1eafng. Trong c\u00e1c \u0111\u1ec1 thi \u0111\u1ea1i h\u1ecdc, cao \u0111\u1eb3ng ch\u1ec9 c\u1ea7n h\u1ecdc l\u1ef1c trung b\u00ecnh, \u00f4n t\u1eadp c\u1ea9n th\u1eadn, ch\u00fang ta c\u00f3 th\u1ec3 d\u00e0nh \u0111\u01b0\u1ee3c 5, 6 \u00a0\u0111i\u1ec3m m\u00f4n To\u00e1n. H\u00e3y l\u1eadp k\u1ebf ho\u1ea1ch \u00f4n t\u1eadp ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n cho m\u1ed7i ph\u1ea7n. \u00d4n c\u00e1c c\u00f4ng th\u1ee9c v\u00e0 c\u00e1c d\u1ea1ng to\u00e1n c\u01a1 b\u1ea3n cho k\u1ef9. Sau khi \u0111\u00e3 n\u1eafm v\u1eefng \u00a0ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n h\u00e3y gi\u1ea3i nh\u1eefng c\u00e2u \u00a0m\u1ee9c \u0111\u1ed9 d\u1ec5 v\u00e0 trung b\u00ecnh trong \u0111\u1ec1 thi. kh\u00f4ng c\u1ea7n ph\u1ea3i d\u00e0nh nhi\u1ec1u th\u1eddi gian cho c\u00e1c c\u00e2u kh\u00f3. Hi\u1ec7n t\u1ea1i, c\u00f3 kh\u00e1 nhi\u1ec1u trang \u00f4n thi tr\u1ef1c tuy\u1ebfn nh\u01b0 Onthi.net.vn, Luyenthi.net.vn\u2026Nhi\u1ec1u h\u1ecdc sinh c\u0169ng l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p h\u1ecdc t\u1eadp n\u00e0y cho m\u00f9a thi n\u0103m 2013.<\/div>\n<div>\u00a0<\/div>\n<div><em><strong>Th\u1ea7y c\u00f3 th\u1ec3 chia s\u1ebb nh\u1eefng thu\u1eadn l\u1ee3i v\u00e0 kh\u00f3 kh\u0103n khi \u00f4n thi tr\u1ef1c tuy\u1ebfn?<\/strong><\/em><\/div>\n<div>Vi\u1ec7c \u00f4n thi tr\u1ef1c tuy\u1ebfn l\u00e0 gi\u00fap th\u00ed sinh c\u00f3 c\u01a1 h\u1ed9i \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i to\u00e1n kh\u00e1c nhau t\u1eeb c\u00e1c gi\u1ea3ng vi\u00ean c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m tr\u00ean m\u1ecdi mi\u1ec3n c\u1ee7a \u0111\u1ea5t n\u01b0\u1edbc. Ki\u1ebfn th\u1ee9c phong ph\u00fa v\u00e0 \u0111a d\u1ea1ng, \u00edt c\u00f3 sai s\u00f3t v\u00e0 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt k\u1ecbp th\u1eddi. Tuy nhi\u00ean, \u00f4n thi tr\u1ef1c tuy\u1ebfn \u0111\u00f2i h\u1ecfi th\u00ed sinh ph\u1ea3i c\u00f3 k\u1ebf ho\u1ea1ch h\u1ecdc t\u1eadp \u0111\u1ec1u \u0111\u1eb7n v\u00e0 c\u00f3 \u00fd th\u1ee9c t\u1ef1 gi\u00e1c cao.<\/div>\n<div>\u00a0<\/div>\n<div><strong><em>Hi\u1ec7n nay c\u00f3 nhi\u1ec1u trang \u00f4n thi tr\u1ef1c tuy\u1ebfn n\u00ean c\u00e1c b\u1ea1n th\u00ed sinh th\u01b0\u1eddng b\u0103n kho\u0103n khi ch\u1ecdn l\u1ef1a \u0111\u1ecba ch\u1ec9 tin c\u1eady. Theo th\u1ea7y, \u0111\u1ec3 \u00f4n thi t\u1ed1t nghi\u1ec7p THPT, \u0111\u1ea1i h\u1ecdc, cao \u0111\u1eb3ng \u00a0b\u1eb1ng gi\u1ea3i ph\u00e1p \u00a0h\u1ecdc tr\u1ef1c tuy\u1ebfn th\u00ec n\u00ean l\u1ef1a ch\u1ecdn nh\u1eefng \u0111\u1ecba ch\u1ec9 h\u1ecdc nh\u01b0 th\u1ebf n\u00e0o ?<\/em><\/strong><\/div>\n<div>M\u1ed7i trang \u00f4n thi tr\u1ef1c tuy\u1ebfn c\u00f3 nh\u1eefng \u01b0u, khuy\u1ebft \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh. N\u1ebfu ch\u1ec9 ch\u1ecdn m\u1ed9t trang \u0111\u1ec3 h\u1ecdc th\u00ec n\u00ean h\u1ecdc th\u1eed m\u1ed9t v\u00e0i b\u00e0i tr\u01b0\u1edbc khi c\u00f3 quy\u1ebft \u0111\u1ecbnh ch\u00ednh th\u1ee9c. Trong \u0111\u00f3, trang \u00f4n thi tr\u1ef1c tuy\u1ebfn Onthi.net.vn l\u00e0 \u0111\u1ecba ch\u1ec9 \u0111\u00e1ng tin c\u1eady do c\u00f3 h\u1ec7 th\u1ed1ng b\u00e0i gi\u1ea3ng phong ph\u00fa, k\u1ebft h\u1ee3p ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3ng d\u1ea1y truy\u1ec1n th\u1ed1ng v\u00e0 hi\u1ec7n \u0111\u1ea1i.<\/div>\n<ul>\n<li class=\"rteright\"><em><strong>Theo V\u0169 H\u1ea1nh<\/strong><\/em><\/li>\n<li class=\"rteright\"><em><strong>(Ngu\u1ed3n: B\u00e1o \u0110\u1ea5t Vi\u1ec7t, 23\/1\/2013)<\/strong><\/em><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>M\u00f4n To\u00e1n l\u00e0 m\u00f4n thi r\u1ea5t quan tr\u1ecdng trong c\u1ea3 k\u1ef3 thi t\u1ed1t nghi\u1ec7p THPT v\u00e0 thi tuy\u1ec3n sinh \u0111\u1ea1i h\u1ecdc, cao \u0111\u1eb3ng. Tuy nhi\u00ean, nhi\u1ec1u b\u1ea1n th\u00ed sinh kh\u00f4ng th\u1ef1c s\u1ef1 t\u1ef1 tin khi l\u1ef1a ch\u1ecdn c\u00e1c kh\u1ed1i thi c\u00f3 m\u00f4n To\u00e1n. \u00a0Nh\u1eb1m gi\u00fap c\u00e1c b\u1ea1n th\u00ed sinh c\u00f3 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc t\u1eadp v\u00e0 \u00f4n thi hi\u1ec7u qu\u1ea3 \u0111\u1ec3 v\u1eefng tin b\u01b0\u1edbc v\u00e0o c\u00e1c k\u1ef3 thi s\u1eafp t\u1edbi.Tuvantuyensinh.vn c\u00f3 bu\u1ed5i tr\u00f2 chuy\u1ec7n v\u1edbi Ti\u1ebfn s\u0129 Nguy\u1ec5n Vi\u1ebft \u0110\u00f4ng, Ch\u1ee7 nhi\u1ec7m B\u1ed9 m\u00f4n Gi\u00e1o d\u1ee5c To\u00e1n h\u1ecdc, Gi\u1ea3ng vi\u00ean \u0110\u1ea1i h\u1ecdc Qu\u1ed1c gia TP. H\u1ed3 Ch\u00ed Minh. Ti\u1ebfn s\u0129&#8230;<\/p>\n","protected":false},"author":1,"featured_media":951,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[215,181],"acf":[],"_links":{"self":[{"href":"https:\/\/ntc33.net\/tuyensinh\/wp-json\/wp\/v2\/posts\/949"}],"collection":[{"href":"https:\/\/ntc33.net\/tuyensinh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ntc33.net\/tuyensinh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ntc33.net\/tuyensinh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ntc33.net\/tuyensinh\/wp-json\/wp\/v2\/comments?post=949"}],"version-history":[{"count":1,"href":"https:\/\/ntc33.net\/tuyensinh\/wp-json\/wp\/v2\/posts\/949\/revisions"}],"predecessor-version":[{"id":1383,"href":"https:\/\/ntc33.net\/tuyensinh\/wp-json\/wp\/v2\/posts\/949\/revisions\/1383"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ntc33.net\/tuyensinh\/wp-json\/wp\/v2\/media\/951"}],"wp:attachment":[{"href":"https:\/\/ntc33.net\/tuyensinh\/wp-json\/wp\/v2\/media?parent=949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ntc33.net\/tuyensinh\/wp-json\/wp\/v2\/categories?post=949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ntc33.net\/tuyensinh\/wp-json\/wp\/v2\/tags?post=949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}