>>>X\u00c9T TUY\u1ec2N H\u1eccC B\u1ea0 THPT 2017 – NG\u00c0NH Y D\u01af\u1ee2C<\/span><\/a><\/strong><\/p>\nV\u1ec1 k\u0129 n\u0103ng, c\u00e1c em c\u1ea7n r\u00e0 so\u00e1t l\u1ea1i k\u0129 n\u0103ng vi\u1ebft \u0111o\u1ea1n, vi\u1ebft b\u00e0i ngh\u1ecb lu\u1eadn v\u0103n h\u1ecdc, ph\u00e2n bi\u1ec7t k\u0129 n\u0103ng ph\u00e2n t\u00edch th\u01a1 v\u1edbi ph\u00e2n t\u00edch v\u0103n xu\u00f4i, k\u0129 n\u0103ng th\u1ef1c hi\u1ec7n c\u00e1c ki\u1ec3u b\u00e0i ngh\u1ecb lu\u1eadn v\u0103n h\u1ecdc c\u1ee5 th\u1ec3 (ph\u00e2n t\u00edch\/ c\u1ea3m nh\u1eadn\/ so s\u00e1nh\/…)\u201d.<\/p>\n
<\/p>\n
TS.Tr\u1ecbnh Thu Tuy\u1ebft.<\/p>\n
TS. Tr\u1ecbnh Thu Tuy\u1ebft nh\u1ea5n m\u1ea1nh, \u0111\u1ec3 l\u00e0m t\u1ed1t \u0111\u1ec1 thi m\u00f4n Ng\u1eef v\u0103n, h\u1ecdc sinh c\u1ea7n l\u01b0u \u00fd y\u00eau c\u1ea7u v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m b\u00e0i v\u1edbi m\u1ed7i ki\u1ec3u c\u00e2u h\u1ecfi. V\u00ed d\u1ee5 v\u1edbi ph\u1ea7n \u0111\u1ecdc hi\u1ec3u, c\u00e2u h\u1ecfi 1 th\u01b0\u1eddng l\u00e0 c\u00e2u h\u1ecfi nh\u1eadn bi\u1ebft, ki\u1ec3m tra ki\u1ebfn th\u1ee9c ti\u1ebfng Vi\u1ec7t. H\u1ecdc sinh c\u1ea7n nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c y\u00eau c\u1ea7u, tr\u1ea3 l\u1eddi th\u1eb3ng v\u00e0o n\u1ed9i dung c\u00e2u h\u1ecfi, kh\u00f4ng c\u1ea7n d\u1eabn gi\u1ea3i d\u00e0i d\u00f2ng n\u1ebfu \u0111\u1ec1 kh\u00f4ng y\u00eau c\u1ea7u gi\u1ea3i th\u00edch. C\u00e2u h\u1ecfi s\u1ed1 2 v\u00e0 s\u1ed1 3 th\u01b0\u1eddng ki\u1ec3m tra kh\u1ea3 n\u0103ng \u0111\u1ecdc – hi\u1ec3u th\u00f4ng \u0111i\u1ec7p n\u1ed9i dung ho\u1eb7c gi\u00e1 tr\u1ecb ngh\u1ec7 thu\u1eadt c\u1ee7a m\u1ed9t \u0111\u01a1n v\u1ecb ng\u00f4n t\u1eeb n\u00e0o \u0111\u00f3 trong ng\u1eef li\u1ec7u.<\/p>\n
T\u00f9y thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee7a \u0111\u1ec1, c\u00e1c em c\u1ea7n k\u1ebft h\u1ee3p kh\u1ea3 n\u0103ng t\u01b0 duy suy lu\u1eadn v\u1edbi nh\u1eefng hi\u1ec3u bi\u1ebft, kinh nghi\u1ec7m v\u1ed1n c\u00f3 \u0111\u1ec3 tr\u1ea3 l\u1eddi ng\u1eafn g\u1ecdn, ch\u00ednh x\u00e1c theo y\u00eau c\u1ea7u c\u1ee7a \u0111\u1ec1 ho\u1eb7c gi\u1ea3i th\u00edch ng\u1eafn g\u1ecdn n\u1ebfu \u0111\u1ec1 b\u00e0i y\u00eau c\u1ea7u. C\u00e2u h\u1ecfi v\u1eadn d\u1ee5ng cu\u1ed1i ph\u1ea7n \u0111\u1ecdc hi\u1ec3u th\u01b0\u1eddng h\u01b0\u1edbng t\u1edbi y\u00eau c\u1ea7u t\u1ed5ng h\u1ee3p, \u0111\u00e1nh gi\u00e1 to\u00e0n b\u1ed9 ng\u1eef li\u1ec7u, r\u00fat ra th\u00f4ng \u0111i\u1ec7p ho\u1eb7c b\u00e0i h\u1ecdc cho b\u1ea3n th\u00e2n. V\u00ed d\u1ee5 “\u0110i\u1ec1u anh\/ch\u1ecb t\u00e2m \u0111\u1eafc nh\u1ea5t trong \u0111o\u1ea1n tr\u00edch l\u00e0 g\u00ec?”. V\u1edbi ki\u1ec3u c\u00e2u h\u1ecfi n\u00e0y, h\u1ecdc sinh n\u00ean th\u1ec3 hi\u1ec7n nh\u1eefng suy ng\u1eabm ch\u00e2n th\u00e0nh, s\u00e2u s\u1eafc \u0111\u01b0\u1ee3c r\u00fat ra t\u1eeb n\u1ed9i dung t\u1ed5ng qu\u00e1t c\u1ee7a to\u00e0n b\u1ed9 ng\u1eef li\u1ec7u.<\/p>\n
C\u0169ng theo TS. Tr\u1ecbnh Thu Tuy\u1ebft, th\u1eddi gian h\u1ee3p l\u00ed d\u00e0nh cho ngh\u1ecb lu\u1eadn v\u0103n h\u1ecdc l\u00e0 kho\u1ea3ng 60-70 ph\u00fat. H\u1ecdc sinh c\u1ea7n nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh v\u1ea5n \u0111\u1ec1 ngh\u1ecb lu\u1eadn c\u01a1 b\u1ea3n theo y\u00eau c\u1ea7u c\u1ee7a \u0111\u1ec1, ph\u00e2n t\u00edch ho\u1eb7c tr\u00ecnh b\u00e0y c\u1ea3m nh\u1eadn v\u1ec1 m\u1ed9t nh\u00e2n v\u1eadt\/ m\u1ed9t \u0111o\u1ea1n th\u01a1\/ m\u1ed9t \u0111o\u1ea1n v\u0103n xu\u00f4i… tr\u00ean c\u01a1 s\u1edf nh\u1eefng ki\u1ebfn th\u1ee9c \u0111\u00e3 \u0111\u01b0\u1ee3c trang b\u1ecb v\u1ec1 gi\u00e1 tr\u1ecb n\u1ed9i dung v\u00e0 ngh\u1ec7 thu\u1eadt c\u1ee7a t\u00e1c ph\u1ea9m.<\/p>\n
M\u00f4n To\u00e1n: Kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng th\u1ee7 thu\u1eadt l\u00e0m tr\u1eafc nghi\u1ec7m<\/strong><\/p>\nThS. L\u00ea Anh Tu\u1ea5n (Gi\u1ea3ng vi\u00ean \u0110\u1ea1i h\u1ecdc C\u00f4ng nghi\u1ec7p H\u00e0 N\u1ed9i) chia s\u1ebb: \u201cT\u1eeb 3 \u0111\u1ec1 thi minh h\u1ecda, th\u1eed nghi\u1ec7m, tham kh\u1ea3o, c\u00f3 th\u1ec3 nh\u1ea5n m\u1ea1nh r\u1eb1ng m\u1eb7c d\u00f9 n\u0103m nay \u0111\u1ec1 To\u00e1n \u0111\u01b0\u01a1c t\u1ed5 ch\u1ee9c d\u01b0\u1edbi h\u00ecnh th\u1ee9c tr\u1eafc nghi\u1ec7m nh\u01b0ng c\u00e1c em s\u1ebd kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng th\u1ee7 thu\u1eadt hay m\u1eb9o m\u1ef1c. M\u00e1y t\u00ednh Casio hay c\u00e1c m\u1eb9o gi\u1ea3i nhanh ch\u1ec9 ph\u1ea7n n\u00e0o \u0111\u00f3 h\u1ed7 tr\u1ee3 c\u00e1c em ch\u1ecdn \u0111\u00e1p \u00e1n nhanh h\u01a1n m\u00e0 th\u00f4i\u201d.<\/p>\n
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Ths.L\u00ea Anh Tu\u1ea5n.<\/p>\n
Theo th\u1ea7y L\u00ea Anh Tu\u1ea5n, trong th\u1eddi gian cu\u1ed1i c\u00f9ng, h\u1ecdc sinh n\u00ean t\u1eadp trung \u00f4n luy\u1ec7n l\u00ed thuy\u1ebft, ch\u0103m ch\u1ec9 r\u00e8n luy\u1ec7n \u0111\u1ec1 thi, nghi\u00ean c\u1ee9u k\u0129 v\u00e0 l\u00e0m thu\u1ea7n th\u1ee5c c\u00e1c d\u1ea1ng b\u00e0i \u0111\u01b0\u1ee3c ra \u1edf 3 \u0111\u1ec1 thi minh h\u1ecda m\u00e0 B\u1ed9 GD-\u0110T \u0111\u00e3 c\u00f4ng b\u1ed1 tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n
T\u1ed5 h\u1ee3p Khoa h\u1ecdc t\u1ef1 nhi\u00ean: Kh\u00f4ng \u0111\u01b0\u1ee3c coi th<\/strong>\u01b0\u1eddng l\u00ed thuy\u1ebft<\/strong><\/p>\nTh\u1ea7y V\u0169 Kh\u1eafc Ng\u1ecdc (Gi\u00e1o vi\u00ean m\u00f4n H\u00f3a) \u0111\u01b0a ra l\u1eddi khuy\u00ean: \u201cKhi \u0111i thi, l\u00ed thuy\u1ebft s\u1ebd quy\u1ebft \u0111\u1ecbnh \u0111i\u1ec3m s\u1ed1 c\u1ee7a em cao hay th\u1ea5p. R\u1ea5t nhi\u1ec1u b\u1ea1n h\u1ecdc kh\u00e1, v\u00ec l\u00fac \u00f4n t\u1eadp ch\u1ec9 ch\u00fa tr\u1ecdng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i to\u00e1n cao si\u00eau nh\u01b0ng khi \u0111i thi l\u1ea1i m\u1ea5t \u0111i\u1ec3m \u1edf nh\u1eefng c\u00e2u l\u00ed thuy\u1ebft.<\/p>\n
Khi v\u00e0o ph\u00f2ng thi, th\u1ea7y khuy\u00ean c\u00e1c em n\u00ean l\u00e0m m\u1ed9t l\u01b0\u1ee3t l\u00ed thuy\u1ebft tr\u01b0\u1edbc khi b\u1eaft tay v\u00e0o l\u00e0m b\u00e0i t\u1eadp. B\u1edfi v\u00ec, so v\u1edbi th\u1eddi gian \u0111\u1ec3 gi\u1ea3i m\u1ed9t b\u00e0i t\u1eadp th\u00ec c\u00e1c em kh\u00f4ng m\u1ea5t qu\u00e1 nhi\u1ec1u th\u1eddi gian \u0111\u1ec3 t\u00ecm ra \u0111\u00e1p \u00e1n c\u00e2u h\u1ecfi l\u00ed thuy\u1ebft\u201d.<\/p>\n
<\/p>\n
Th\u1ea7y V\u0169 Kh\u1eafc Ng\u1ecdc.<\/p>\n
Th\u1ea7y V\u0169 Kh\u1eafc Ng\u1ecdc khuy\u00ean h\u1ecdc sinh c\u00e0ng v\u1ec1 th\u1eddi gian cu\u1ed1i c\u00f9ng, h\u1ecdc sinh c\u00e0ng c\u1ea7n t\u1eadp trung th\u1eddi gian \u0111\u1ec3 h\u1ec7 th\u1ed1ng h\u00f3a l\u1ea1i ki\u1ebfn th\u1ee9c l\u00ed thuy\u1ebft, l\u00e0m th\u1eadt nhi\u1ec1u \u0111\u1ec1 thi l\u00ed thuy\u1ebft, nghi\u00ean c\u1ee9u k\u0129 \u0111\u1ec1 thi thi minh h\u1ecda, th\u1eed nghi\u1ec7m, tham kh\u1ea3o \u0111\u1ec3 quen v\u1edbi c\u00e1c d\u1ea1ng l\u00ed thuy\u1ebft c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n trong \u0111\u1ec1 thi.<\/p>\n
Ngo\u00e0i ra, th\u1ea7y V\u0169 Kh\u1eafc Ng\u1ecdc c\u00f2n l\u01b0u \u00fd: \u201cV\u00ec \u0111\u1ec1 thi s\u1ebd t\u1eadp trung v\u00e0o ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc l\u1edbp 12 n\u00ean nhi\u1ec1u b\u1ea1n c\u00f3 suy ngh\u0129 sai l\u1ea7m l\u00e0 lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 ki\u1ebfn th\u1ee9c l\u1edbp 10, 11. Ki\u1ebfn th\u1ee9c H\u00f3a h\u1ecdc c\u00f3 t\u00ednh h\u1ec7 th\u1ed1ng r\u1ea5t cao, v\u00ed d\u1ee5, d\u1ea1ng b\u00e0i t\u1eadp kim lo\u1ea1i t\u00e1c d\u1ee5ng v\u1edbi HNO3 l\u00e0 ki\u1ebfn th\u1ee9c thu\u1ed9c v\u1ec1 ch\u01b0\u01a1ng tr\u00ecnh l\u1edbp 11. Tuy nhi\u00ean, v\u00ec c\u00f3 kim lo\u1ea1i t\u00e1c d\u1ee5ng v\u1edbi HNO3 n\u00ean v\u1eabn c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n trong \u0111\u1ec1 thi. Trong \u0111\u1ec1 thi tham kh\u1ea3o B\u1ed9 GD-\u0110T v\u1eeba m\u1edbi c\u00f4ng b\u1ed1, c\u00f3 r\u1ea5t nhi\u1ec1u c\u00e2u h\u1ecfi n\u1ebfu kh\u00f4ng v\u1eadn d\u1ee5ng d\u1ee5ng ki\u1ebfn th\u1ee9c l\u1edbp 10, 11 th\u00ec c\u00e1c em s\u1ebd kh\u00f4ng th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c\u201d.<\/p>\n
\u0110\u1ed1i v\u1edbi m\u00f4n Sinh h\u1ecdc, th\u1ea7y gi\u00e1o, ThS. Nguy\u1ec5n Th\u00e0nh C\u00f4ng (Gi\u00e1o vi\u00ean THPT Chuy\u00ean \u0110\u1ea1i h\u1ecdc S\u01b0 ph\u1ea1m) \u00a0cho r\u1eb1ng: \u201c\u0110\u1ec1 thi v\u1ed1n \u0111\u00e3 r\u1ea5t d\u00e0i c\u1ed9ng v\u1edbi vi\u1ec7c l\u00e0 m\u00f4n thi cu\u1ed1i c\u00f9ng trong t\u1ed5 h\u01a1p Khoa h\u1ecdc t\u1ef1 nhi\u00ean n\u00ean \u00e1p l\u1ef1c khi l\u00e0m b\u00e0i thi m\u00f4n Sinh h\u1ecdc s\u1ebd t\u0103ng l\u00ean. Tuy nhi\u00ean, t\u1eeb \u0111\u1ec1 thi tham kh\u1ea3o m\u00e0 B\u1ed9 GD-\u0110T v\u1eeba m\u1edbi c\u00f4ng b\u1ed1, ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y c\u00e1c em ch\u1ec9 c\u1ea7n h\u1ecdc t\u1ed1t, n\u1eafm ch\u1eafc SGK v\u00e0 SBT c\u01a1 b\u1ea3n l\u1edbp 12 l\u00e0 c\u00f3 th\u1ec3 l\u00e0m t\u1ed1t 30 c\u00e2u h\u1ecfi \u0111\u1ea7u ti\u00ean. L\u00ed thuy\u1ebft trong 30 c\u00e2u h\u1ecfi n\u00e0y n\u1eb1m tr\u1ecdn v\u1eb9n trong SGK c\u01a1 b\u1ea3n 12. L\u00e0m t\u1ed1t 30 c\u00e2u h\u1ecfi n\u00e0y, c\u00e1c em \u0111\u00e3 c\u00f3 th\u1ec3 c\u00f3 6, 7 \u0111i\u1ec3m. So v\u1edbi th\u1eddi l\u01b0\u1ee3ng \u0111\u1ec3 ho\u00e0n th\u00e0nh m\u1ed9t b\u00e0i t\u1eadp kh\u00f3, \u0111\u1ee7 \u0111\u1ec3 c\u00e1c em l\u00e0m t\u1ed1t v\u00e0 ch\u1eafc \u0111i\u1ec3m s\u1ed1 c\u1ee7a v\u00e0i c\u00e2u l\u00ed thuy\u1ebft r\u1ed3i\u201d.<\/p>\n
R\u1ea5t nhi\u1ec1u th\u00ed sinh th\u1eafc m\u1eafc v\u1ec1 vi\u1ec7c ph\u00e2n b\u1ed1 \u0111\u00e1p \u00e1n A, B, C, D trong \u0111\u1ec1 thi. Th\u1ea7y gi\u00e1o, ThS.\u0110inh \u0110\u1ee9c Hi\u1ec1n (Gi\u00e1o vi\u00ean d\u1ea1y Sinh h\u1ecdc) gi\u1ea3i \u0111\u00e1p: \u201cT\u1eeb \u0111\u1ec1 thi tham kh\u1ea3o, kh\u00f4ng c\u00f3 g\u00ec ch\u1eafc ch\u1eafn v\u1ec1 vi\u1ec7c \u0111\u1ec1 thi THPT qu\u1ed1c gia s\u1ebd s\u1eafp x\u1ebfp \u0111\u00e1p \u00e1n A, B, C, D b\u1eb1ng nhau. V\u00ec v\u1eady, vi\u1ec7c hi v\u1ecdng \u0111\u1ec3 \u201cl\u1ee5i\u201d \u0111\u00e1p \u00e1n l\u00e0 kh\u00f4ng c\u00f3 c\u01a1 s\u1edf, t\u1ea5t c\u1ea3 ph\u1ea3i xu\u1ea5t ph\u00e1t t\u1eeb n\u1ec1n t\u1ea3ng ki\u1ebfn th\u1ee9c\u201d.<\/p>\n
Theo 24h.com.vn<\/p>\n","protected":false},"excerpt":{"rendered":"
Th\u1eddi \u0111i\u1ec3m n\u00e0y, nhi\u1ec1u h\u1ecdc sinh cu\u1ed1i c\u1ea5p b\u00e0y t\u1ecf lo l\u1eafng, v\u01b0\u1edbng m\u1eafc khi \u00f4n thi THPT qu\u1ed1c gia, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1ch \u00f4n t\u1eadp hi\u1ec7u qu\u1ea3 trong th\u00e1ng cu\u1ed1i c\u00f9ng, hay ph\u01b0\u01a1ng ph\u00e1p l\u00e0m b\u00e0i thi t\u1ed5 h\u1ee3p…<\/p>\n","protected":false},"author":1,"featured_media":1015,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[32,30,33,31,27],"yoast_head":"\n
Luy\u1ec7n thi THPT qu\u1ed1c gia giai \u0111o\u1ea1n \u2018n\u01b0\u1edbc r\u00fat\u2019 th\u1ebf n\u00e0o cho hi\u1ec7u qu\u1ea3? - Tr\u01b0\u1eddng Cao \u0111\u1eb3ng Y D\u01b0\u1ee3c H\u00e0 N\u1ed9i<\/title>\n\n\n\n\n\n\n\n\n\n\n\n\t\n\t\n\t\n\n\n\n\t\n\t\n\t\n