V\u1edbi vi\u1ec7c \u0111\u00e3 qu\u00e1 quen v\u1edbi h\u00ecnh th\u1ee9c thi t\u1ef1 lu\u1eadn c\u1ee7a m\u00f4n L\u1ecbch s\u1eed, tr\u01b0\u1edbc thay \u0111\u1ed5i n\u00e0y nhi\u1ec1u b\u1ea1n h\u1ecdc sinh t\u1ecf ra b\u1ed1i r\u1ed1i. Tuy nhi\u00ean, c\u00e1c b\u1ea1n kh\u00f4ng n\u00ean qu\u00e1 lo l\u1eafng v\u00ec th\u1ef1c ra ki\u1ebfn th\u1ee9c c\u0169ng ch\u1ec9 n\u1eb1m trong ph\u1ea1m vi s\u00e1ch gi\u00e1o khoa, ch\u1ec9 l\u00e0 c\u00e1c b\u1ea1n thay \u0111\u1ed5i m\u1ed9t ch\u00fat trong ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc\u2026<\/strong><\/em><\/p>\n

<\/p>\n

Theo ph\u01b0\u01a1ng \u00e1n thi ch\u00ednh th\u1ee9c c\u1ee7a B\u1ed9 GD&\u0110T, h\u1ecdc sinh c\u00f3 hai b\u00e0i thi t\u1ef1 ch\u1ecdn theo h\u00ecnh th\u1ee9c tr\u1eafc nghi\u1ec7m l\u00e0 Khoa h\u1ecdc t\u1ef1 nhi\u00ean (V\u1eadt l\u00fd, H\u00f3a h\u1ecdc, Sinh h\u1ecdc) v\u00e0 Khoa h\u1ecdc x\u00e3 h\u1ed9i (L\u1ecbch s\u1eed, \u0110\u1ecba l\u00fd, Gi\u00e1o d\u1ee5c c\u00f4ng d\u00e2n). Nh\u01b0 v\u1eady, L\u1ecbch s\u1eed c\u0169ng l\u00e0 m\u00f4n thi tr\u1eafc nghi\u1ec7m (40 c\u00e2u) s\u1ebd \u0111\u01b0\u1ee3c g\u1ed9p c\u00f9ng hai m\u00f4n kh\u00e1c trong t\u1ed5ng th\u1eddi gian l\u00e0m b\u00e0i 150 ph\u00fat.<\/p>\n

V\u1edbi vi\u1ec7c \u0111\u00e3 qu\u00e1 quen v\u1edbi h\u00ecnh th\u1ee9c thi t\u1ef1 lu\u1eadn c\u1ee7a m\u00f4n L\u1ecbch s\u1eed, \u0111\u1ee9ng tr\u01b0\u1edbc thay \u0111\u1ed5i n\u00e0y nhi\u1ec1u b\u1ea1n h\u1ecdc sinh t\u1ecf ra b\u1ed1i r\u1ed1i v\u1edbi vi\u1ec7c \u00f4n thi. Tuy nhi\u00ean, c\u00e1c b\u1ea1n kh\u00f4ng n\u00ean qu\u00e1 lo l\u1eafng v\u00ec th\u1ef1c ra ki\u1ebfn th\u1ee9c c\u0169ng ch\u1ec9 n\u1eb1m trong ph\u1ea1m vi s\u00e1ch gi\u00e1o khoa, ch\u1ec9 l\u00e0 c\u00e1c b\u1ea1n thay \u0111\u1ed5i m\u1ed9t ch\u00fat trong ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi h\u00ecnh th\u1ee9c thi m\u1edbi\u2026 V\u00e0 d\u01b0\u1edbi \u0111\u00e2y s\u1ebd l\u00e0 m\u1ed9t s\u1ed1 g\u1ee3i \u00fd cho b\u1ea1n trong qu\u00e1 tr\u00ecnh \u00f4n t\u1eadp:<\/p>\n

N\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c c\u0103n b\u1ea3n SGK L\u1ecbch s\u1eed l\u1edbp 12<\/strong><\/p>\n

K\u00ec thi THPT n\u0103m nay, t\u1ea5t c\u1ea3 ki\u1ebfn th\u1ee9c \u00f4n thi \u0111\u1ec1u n\u1eb1m trong ch\u01b0\u01a1ng tr\u00ecnh s\u00e1ch gi\u00e1o khoa l\u1edbp 12. V\u00e0 thi tr\u1eafc nghi\u1ec7m, vi\u1ec7c \u0111\u1ea7u ti\u00ean c\u00e1c b\u1ea1n c\u1ea7n thay \u0111\u1ed5i l\u00e0 \u0111\u1ecdc k\u1ef9 s\u00e1ch gi\u00e1o khoa, \u0111\u00e2y l\u00e0 t\u00e0i li\u1ec7u ph\u1ee5c v\u1ee5 \u00f4n t\u1eadp thi t\u1ed1t nh\u1ea5t c\u00e1c b\u1ea1n h\u1ecdc sinh c\u1ea7n t\u1eadn d\u1ee5ng tri\u1ec7t \u0111\u1ec3. V\u00e0 c\u00e1c b\u1ea1n tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00ean “h\u1ecdc t\u1ee7” m\u1ed9t giai \u0111o\u1ea1n l\u1ecbch s\u1eed, ho\u1eb7c ch\u1ec9 ch\u00fa t\u00e2m v\u00e0o h\u1ecdc l\u1ecbch s\u1eed Vi\u1ec7t Nam m\u00e0 b\u1ecf qua l\u1ecbch s\u1eed th\u1ebf gi\u1edbi ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i. M\u1ed9t g\u1ee3i \u00fd cho b\u1ea1n, h\u00e3y l\u00e0m nhi\u1ec1u \u0111\u1ec1 thi th\u1eed, v\u1edbi “ng\u00e2n h\u00e0ng” c\u00e2u h\u1ecfi l\u1edbn, l\u00e0m nhi\u1ec1u c\u00e1c b\u1ea1n s\u1ebd t\u00edch l\u0169y th\u00eam kinh nghi\u1ec7m trong qu\u00e1 tr\u00ecnh l\u00e0m b\u00e0i v\u00e0 n\u00e2ng cao ki\u1ebfn th\u1ee9c cho b\u1ea3n th\u00e2n.<\/p>\n

\u0110\u1eebng ch\u1ec9 “m\u1ea3i m\u00ea” h\u1ecdc thu\u1ed9c l\u00f2ng<\/strong>
\nB\u1ea1n n\u00ean s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 t\u01b0 duy \u0111\u1ec3 ghi nh\u1edb ki\u1ebfn th\u1ee9c hi\u1ec7u qu\u1ea3 h\u01a1n.
\nV\u1edbi h\u00ecnh th\u1ee9c thi tr\u1eafc nghi\u1ec7m, h\u1ecdc sinh kh\u00f4ng ph\u1ea3i thu\u1ed9c l\u00f2ng qu\u00e1 nhi\u1ec1u m\u00e0 quan tr\u1ecdng l\u00e0 ph\u1ea3i t\u01b0 duy, hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t c\u1ee7a t\u1eebng m\u1ed1c l\u1ecbch s\u1eed. T\u1eeb nh\u1eefng giai \u0111o\u1ea1n l\u1ecbch s\u1eed, con s\u1ed1 th\u1ed1ng k\u00ea\u2026 c\u00e1c b\u1ea1n c\u1ea7n ph\u1ea3i bi\u1ebft ph\u00e2n t\u00edch t\u1ed5ng h\u1ee3p, kh\u00e1i qu\u00e1t h\u00f3a v\u1ea5n \u0111\u1ec1. H\u1ecdc s\u1ef1 ki\u1ec7n n\u00e0y th\u00ec c\u00e1c b\u1ea1n c\u1ea7n ph\u1ea3i li\u00ean t\u01b0\u1edfng, x\u00e2u chu\u1ed7i m\u1ed1i li\u00ean quan \u0111\u1ebfn s\u1ef1 ki\u1ec7n tr\u01b0\u1edbc v\u00e0 sau n\u00f3. V\u1eady n\u00ean, b\u1ea1n n\u00ean s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 t\u01b0 duy \u0111\u1ec3 ghi nh\u1edb ki\u1ebfn th\u1ee9c hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n

N\u1ebfu kh\u00f4ng bi\u1ebft \u0111\u00e1p \u00e1n \u0111\u00fang, h\u00e3y lo\u1ea1i tr\u1eeb \u0111\u00e1p \u00e1n sai<\/p>\n

V\u1edbi h\u00ecnh th\u1ee9c thi tr\u1eafc nghi\u1ec7m, h\u1ecdc sinh c\u1ea7n t\u01b0 duy, x\u00e2u chu\u1ed7i v\u00e0 k\u1ebft n\u1ed1i c\u00e1c v\u1ea5n \u0111\u1ec1, suy lu\u1eadn \u0111\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n l\u00e0 c\u00f3 th\u1ec3 ho\u00e0n thi\u1ec7n b\u00e0i thi. Trong tr\u01b0\u1eddng h\u1ee3p ch\u01b0a bi\u1ebft \u0111\u00e1p \u00e1n \u0111\u00fang, c\u00e1c b\u1ea1n n\u00ean lo\u1ea1i tr\u1eeb \u0111\u00e1p \u00e1n sai \u0111\u1ec3 t\u00ecm ra \u0111\u00e1p \u00e1n \u0111\u00fang \u2013 \u0111\u00e2y l\u00e0 tip l\u00e0m b\u00e0i b\u1ea1n n\u00ean \u00e1p d\u1ee5ng. \u0110\u1eb7c bi\u1ec7t, v\u1edbi thi tr\u1eafc nghi\u1ec7m s\u1ebd c\u00f3 nh\u1eefng \u0111\u00e1p \u00e1n g\u00e2y nhi\u1ec5u, \u0111\u00e1p \u00e1n kh\u00e1 gi\u1ed1ng nhau\u2026 v\u1eady n\u00ean ch\u00fang ta ph\u1ea3i \u0111\u1ecdc k\u1ef9 s\u00e1ch gi\u00e1o khoa \u0111\u1ec3 hi\u1ec3u r\u00f5, k\u1ebft n\u1ed1i c\u00e1c s\u1ef1 ki\u1ec7n v\u1edbi nhau \u0111\u1ec3 ph\u00e2n t\u00edch c\u00e2u tr\u1ea3 l\u1eddi v\u00e0 ch\u1ecdn ra \u0111\u00e1p \u00e1n \u0111\u00fang.<\/p>\n

Ch\u1ec9 c\u00f3 50 ph\u00fat v\u1edbi 40 c\u00e2u h\u1ecfi, h\u00e3y t\u00ednh to\u00e1n th\u1eddi gian h\u1ee3p l\u00fd<\/strong><\/p>\n

H\u00e3y l\u00e0m nhi\u1ec1u \u0111\u1ec1 thi th\u1eed, v\u1edbi “ng\u00e2n h\u00e0ng” c\u00e2u h\u1ecfi l\u1edbn, l\u00e0m nhi\u1ec1u c\u00e1c b\u1ea1n s\u1ebd t\u00edch l\u0169y th\u00eam kinh nghi\u1ec7m trong qu\u00e1 tr\u00ecnh l\u00e0m b\u00e0i v\u00e0 n\u00e2ng cao ki\u1ebfn th\u1ee9c cho b\u1ea3n th\u00e2n.
\nCh\u1ec9 c\u00f3 50 ph\u00fat \u0111\u1ec3 l\u00e0m b\u00e0i thi, v\u1eady n\u00ean b\u1ea1n kh\u00f4ng n\u00ean \u0111\u1ec3 m\u1ea5t qu\u00e1 nhi\u1ec1u th\u1eddi gian v\u00e0o m\u1ed9t c\u00e2u h\u1ecfi n\u00e0o \u0111\u00f3 v\u00ec th\u1eddi gian trung b\u00ecnh m\u1ed7i c\u00e2u ch\u1ec9 kho\u1ea3ng 1,25 ph\u00fat. Kh\u00f4ng c\u1ea7n l\u00e0m theo th\u1ee9 t\u1ef1 c\u00e2u h\u1ecfi, v\u1edbi nh\u1eefng c\u00e2u d\u1ec5 b\u1ea1n h\u00e3y l\u00e0m tr\u01b0\u1edbc, kho\u1ea3ng th\u1eddi gian c\u00f2n l\u1ea1i s\u1ebd “chi\u1ebfn \u0111\u1ea5u” v\u1edbi nh\u1eefng c\u00e2u h\u1ecfi kh\u00f3 nh\u1eb1n sau.<\/p>\n","protected":false},"excerpt":{"rendered":"

V\u1edbi vi\u1ec7c \u0111\u00e3 qu\u00e1 quen v\u1edbi h\u00ecnh th\u1ee9c thi t\u1ef1 lu\u1eadn c\u1ee7a m\u00f4n L\u1ecbch s\u1eed, tr\u01b0\u1edbc thay \u0111\u1ed5i n\u00e0y nhi\u1ec1u b\u1ea1n h\u1ecdc sinh t\u1ecf ra b\u1ed1i r\u1ed1i. Tuy nhi\u00ean, c\u00e1c b\u1ea1n kh\u00f4ng n\u00ean qu\u00e1 lo l\u1eafng v\u00ec th\u1ef1c ra ki\u1ebfn th\u1ee9c c\u0169ng ch\u1ec9 n\u1eb1m trong ph\u1ea1m vi s\u00e1ch gi\u00e1o khoa, ch\u1ec9 l\u00e0 c\u00e1c b\u1ea1n thay […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[163],"tags":[],"yoast_head":"\n