M\u1ed9t s\u1ed1 l\u1ed7i th\u00ed sinh th\u01b0\u1eddng m\u1eafc khi thi m\u00f4n L\u00fd THPT qu\u1ed1c gia<\/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\/mot-loi-thi-sinh-thuong-mac-khi-thi-mon-ly-thpt-quoc-gia\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"M\u1ed9t s\u1ed1 l\u1ed7i th\u00ed sinh th\u01b0\u1eddng m\u1eafc khi thi m\u00f4n L\u00fd THPT qu\u1ed1c gia\" \/>\n<meta property=\"og:description\" content=\"K\u00ec thi THPT qu\u1ed1c gia \u0111ang t\u1edbi r\u1ea5t g\u1ea7n, qua b\u00e1o Infonet, th\u1ea7y L\u00ea H\u1eefu M\u1ea1nh (Gi\u00e1o vi\u00ean t\u1ea1i trung t\u00e2m luy\u1ec7n thi \u0110\u1ea1i h\u1ecdc S\u01b0 ph\u1ea1m) chia s\u1ebb m\u1ed9t s\u1ed1 l\u1ed7i th\u00ed sinh th\u01b0\u1eddng m\u1eafc khi l\u00e0m b\u00e0i thi m\u00f4n V\u1eadt L\u00fd. 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Theo th\u1ea7y L\u00ea H\u1eefu M\u1ea1nh m\u1ed9t trong nh\u1eefng l\u1ed7i c\u01a1 b\u1ea3n th\u00ed sinh th\u01b0\u1eddng m\u1eafc l\u00e0: V\u1edbi c\u00e1c c\u00e2u h\u1ecfi l\u00fd thuy\u1ebft c\u00e1c em \u0111\u1ecdc \u0111\u1ec1 b\u00e0i ch\u01b0a \u0111\u01b0\u1ee3c k\u1ef9\u00a0nhi\u1ec1u khi\u00a0\u0111\u1ec1 b\u00e0i h\u1ecfi t\u00ecm c\u00e2u sai th\u00ec c\u00e1c em l\u1ea1i v\u1ed9i v\u00e0ng t\u00ecm c\u00e2u \u0111\u00fang.<\/p>\n

Nhi\u1ec1u khi \u0111\u1ec1 th\u01b0\u1eddng \u201cb\u1eaby\u201d th\u00ed sinh, c\u00e1c em th\u00ec kh\u00f4ng \u0111\u1ec3 \u00fd \u0111\u1ed5i \u0111\u01a1n v\u1ecb \u0111o c\u1ee7a c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng cho ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ec1 b\u00e0i n\u00ean d\u1eabn \u0111\u1ebfn t\u00ecm sai k\u1ebft qu\u1ea3.<\/p>\n

V\u1edbi m\u1ed9t s\u1ed1 c\u00e2u b\u00e0i t\u1eadp kh\u00f3, b\u1ea3n ch\u1ea5t hi\u1ec7n t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p c\u00e1c em th\u01b0\u1eddng kh\u00f4ng ph\u00e2n t\u00edch k\u1ef9\u00a0\u0111\u1ec1 b\u00e0i\u00a0 \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng\u00a0, t\u00ecm ra c\u00e1ch gi\u1ea3i nhanh m\u00e0 c\u1ee9 v\u1ed9i v\u00e0ng bi\u1ebfn \u0111\u1ed5i\u00a0 v\u00f2ng vo, kh\u00f4ng ch\u1ee7 \u0111\u00edch, t\u1ed1n nhi\u1ec1u th\u1eddi gian l\u00e0m b\u00e0i m\u00e0 l\u1ea1i kh\u00f4ng ra \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3.<\/p>\n

$\"M\u1ed9t$ <\/p>\n

\u00a0Th\u1ea7y L\u00ea H\u1eefu M\u1ea1nh (Gi\u00e1o vi\u00ean t\u1ea1i trung t\u00e2m luy\u1ec7n thi \u0110\u1ea1i h\u1ecdc S\u01b0 ph\u1ea1m)<\/p>\n

Th\u1ea7y L\u00ea H\u1eefu M\u1ea1nh c\u0169ng cho bi\u1ebft, khi l\u00e0m b\u00e0i c\u00e1c em ph\u1ea3i th\u1eadt b\u00ecnh t\u0129nh, t\u1ec9nh t\u00e1o, \u0111\u1ecdc \u0111\u1ec1 b\u00e0i th\u1eadt k\u1ef9. Khi \u0111\u1ecdc m\u1ed9t \u0111\u00e1p \u00e1n m\u00e0 th\u1ea5y ph\u00e2n v\u00e2n ch\u01b0a bi\u1ebft \u0111\u00fang hay sai th\u00ec c\u00e1c em h\u00e3y \u0111\u1ecdc t\u1ea5t c\u1ea3 c\u00e1c \u0111\u00e1p \u00e1n kh\u00e1c n\u1eefa \u0111\u1ec3 lo\u1ea1i tr\u1eeb. Khi d\u00f9ng m\u1ed9t c\u00f4ng th\u1ee9c v\u1eadt l\u00fd \u0111\u1ec3 thay s\u1ed1,t\u00ecm k\u1ebft qu\u1ea3, c\u00e1c em c\u1ea7n \u0111\u1ec3 \u00fd \u0111\u01a1n v\u1ecb c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng trong c\u00f4ng th\u1ee9c \u0111\u00f3 .<\/p>\n

\u0110\u1eb7c bi\u1ec7t, c\u00e1c b\u00e0i t\u1eadp kh\u00f3 hay g\u1eb7p trong \u0111\u1ec1 thi th\u01b0\u1eddng thu\u1ed9c v\u1ec1 ph\u1ea7n dao \u0111\u1ed9ng c\u01a1, s\u00f3ng c\u01a1, \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n. C\u00e1c em nguy\u1ec7n v\u1ecdng thi v\u00e0o c\u00e1c tr\u01b0\u1eddng t\u1ed1p \u0111\u1ea7u c\u1ea7n ph\u1ea3i l\u00e0m nhi\u1ec1u c\u00e1c c\u00e2u kh\u00f3 lo\u1ea1i n\u00e0y.<\/p>\n

C\u00e1c c\u00e2u kh\u00f3 c\u1ee7a dao \u0111\u1ed9ng c\u01a1: C\u00e2u v\u1ec1 con l\u1eafc l\u00f2 xo v\u00e0 con l\u1eafc \u0111\u01a1n ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a m\u1ed9t l\u1ef1c l\u1ea1 kh\u00f4ng \u0111\u1ed5i (l\u1ef1c \u0111i\u1ec7n tr\u01b0\u1eddng, l\u1ef1c qu\u00e1n t\u00ednh, l\u1ef1c \u0111\u1ea9y Acsimet..).<\/p>\n

\u0110\u1ed1i v\u1edbi con l\u1eafc l\u00f2 xo c\u00e1c em ch\u00fa \u00fd l\u00e0 d\u00f9\u00a0c\u00f3 l\u1ef1c l\u1ea1 th\u00ec chu k\u1ef3 v\u1eabn t\u00ednh nh\u01b0 b\u00ecnh th\u01b0\u1eddng, ch\u1ec9 c\u00f3 con l\u1eafc \u0111\u01a1n chu k\u1ef3 m\u1edbi thay \u0111\u1ed5i. Khi c\u00f3 l\u1ef1c l\u1ea1 t\u00e1c d\u1ee5ng v\u00e0o v\u1eadt, c\u00e1c em \u0111\u1ec3 \u00fd xem v\u1ecb tr\u00ed c\u00e2n b\u1eb1ng c\u1ee7a v\u1eadt\u00a0c\u00f3\u00a0b\u1ecb thay \u0111\u1ed5i hay kh\u00f4ng,\u00a0t\u1eeb \u0111\u00f3 m\u1edbi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c li \u0111\u1ed9 v\u00e0 bi\u00ean \u0111\u1ed9 m\u1edbi .<\/p>\n

\u0110\u1ed1i v\u1edbi d\u1ea1ng b\u00e0i con l\u1eafc l\u00f2 xo c\u00f3 d\u00e2y n\u1ed1i hai v\u1eadt hay d\u00e2y n\u1ed1i l\u00f2 xo v\u1edbi v\u1eadt th\u00ec mu\u1ed1n h\u1ec7 dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a th\u00ec s\u1ee3i d\u00e2y ph\u1ea3i lu\u00f4n c\u0103ng. L\u00fac n\u00e0y, ta c\u1ea7n nh\u1edb c\u00f4ng th\u1ee9c\u00a0x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t c\u1ee7a bi\u00ean \u0111\u1ed9 \u0111\u1ec3 h\u1ec7 lu\u00f4n dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a. \u00a0 D\u1ea1ng b\u00e0i v\u1ec1 gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t c\u1ee7a bi\u00ean \u0111\u1ed9\u00a0\u0111\u1ec3 cho v\u1eadt n\u00e0y kh\u00f4ng t\u00e1ch kh\u1ecfi v\u1eadt kia ho\u1eb7c v\u1eadt n\u00e0y kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t kh\u1ecfi v\u1eadt kia th\u00ec c\u00e1c em c\u1ea7n ph\u1ea3i thu\u1ed9c c\u00f4ng th\u1ee9c t\u00ednh nhanh.<\/p>\n

V\u1ec1 ph\u1ea7n s\u00f3ng d\u1eebng c\u00e1c c\u00e2u kh\u00f3 hay thi li\u00ean quan t\u1edbi bi\u00ean \u0111\u1ed9 s\u00f3ng t\u1ea1i m\u1ed9t \u0111i\u1ec3m tr\u00ean s\u1ee3i d\u00e2y, quan h\u1ec7 gi\u1eefa li \u0111\u1ed9 hay v\u1eadn t\u1ed1c c\u1ee7a hai ph\u1ea7n t\u1eed dao \u0111\u1ed9ng tr\u00ean s\u1ee3i d\u00e2y \u1edf c\u00f9ng m\u1ed9t th\u1eddi \u0111i\u1ec3m ho\u1eb7c hai th\u1eddi \u0111i\u1ec3m kh\u00e1c nhau.<\/p>\n

\u0110\u1ec3 l\u00e0m t\u1ed1t c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp n\u00e0y c\u00e1c em c\u1ea7n ph\u1ea3i thu\u1ed9c c\u00f4ng th\u1ee9c t\u00ednh bi\u00ean \u0111\u1ed9 c\u1ee7a s\u00f3ng d\u1eebng, thu\u1ed9c l\u00fd thuy\u1ebft hai \u0111i\u1ec3m dao \u0111\u1ed9ng b\u1ea5t k\u1ef3 tr\u00ean s\u1ee3i d\u00e2y khi c\u00f3 s\u00f3ng d\u1eebng ch\u1ec9 c\u00f3 th\u1ec3 dao \u0111\u1ed9ng c\u00f9ng pha ho\u1eb7c ng\u01b0\u1ee3c pha, hai \u0111i\u1ec3m dao \u0111\u1ed9ng thu\u1ed9c m\u1ed9t b\u00f3 s\u00f3ng lu\u00f4n dao \u0111\u1ed9ng c\u00f9ng pha, hai \u0111i\u1ec3m thu\u1ed9c hai b\u00f3 s\u00f3ng li\u1ec1n k\u1ec1 th\u00ec lu\u00f4n dao \u0111\u1ed9ng ng\u01b0\u1ee3c pha.<\/p>\n

Ngo\u00e0i ra, ta ph\u1ea3i ki\u1ec3m tra hai \u0111i\u1ec3m \u0111ang x\u00e9t dao \u0111\u1ed9ng c\u00f9ng pha hay ng\u01b0\u1ee3c pha nhau v\u00e0 ch\u00fa \u00fd\u00a0 hai dao \u0111\u1ed9ng c\u00f9ng pha th\u00ec \u1edf c\u00f9ng th\u1eddi \u0111i\u1ec3m t\u1ec9 s\u1ed1 v\u1ec1 v\u1eadn t\u1ed1c c\u0169ng nh\u01b0 t\u1ec9 s\u1ed1 v\u1ec1 li \u0111\u1ed9 lu\u00f4n b\u1eb1ng t\u1ec9 s\u1ed1 v\u1ec1 bi\u00ean \u0111\u1ed9 c\u1ee7a ch\u00fang, tr\u01b0\u1eddng h\u1ee3p hai dao \u0111\u1ed9ng ng\u01b0\u1ee3c pha th\u00ec c\u00e1c t\u1ec9 s\u1ed1 v\u1ec1 v\u1eadn t\u1ed1c v\u00e0 t\u1ec9 s\u1ed1 v\u1ec1 li \u0111\u1ed9 \u0111\u1ec1u b\u1eb1ng tr\u1eeb t\u1ec9 s\u1ed1 v\u1ec1 bi\u00ean \u0111\u1ed9 c\u1ee7a ch\u00fang, t\u1eeb \u0111\u00f3 bi\u1ebft li \u0111\u1ed9 n\u00e0y th\u00ec t\u00ecm \u0111\u01b0\u1ee3c li \u0111\u1ed9 kia.<\/p>\n

Ph\u1ea7n b\u00e0i t\u1eadp s\u00f3ng \u00e2m c\u00e1c em c\u1ea7n n\u1eafm ch\u1eafc c\u00e1c c\u00f4ng th\u1ee9c t\u00ednh c\u00f4ng su\u1ea5t ph\u00e1t \u00e2m, m\u1ee9c c\u01b0\u1eddng \u0111\u1ed9 \u00e2m, c\u00f4ng th\u1ee9c t\u00ednh hi\u1ec7u hai m\u1ee9c c\u01b0\u1eddng \u0111\u1ed9 \u00e2m theo hai c\u01b0\u1eddng \u0111\u1ed9 \u00e2m ho\u1eb7c theo hai kho\u1ea3ng c\u00e1ch t\u1eeb hai \u0111i\u1ec3m \u0111\u1ebfn ngu\u1ed3n \u00e2m.<\/p>\n

Ph\u1ea7n \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 ph\u1ea7n chi\u1ebfm nhi\u1ec1u c\u00e2u kh\u00f3 nh\u1ea5t trong \u0111\u1ec1 thi, c\u00e1c c\u00e2u kh\u00f3 th\u01b0\u1eddng v\u00e0o c\u00e1c b\u00e0i v\u1ec1 l\u1ec7ch pha, c\u00e1c b\u00e0i to\u00e1n c\u1ef1c tr\u1ecb, c\u00e1c b\u00e0i c\u00f9ng m\u1ed9t gi\u00e1 tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1 t\u1ed3n t\u1ea1i hai gi\u00e1 tr\u1ecb c\u1ee7a \u0111\u1ed1i s\u1ed1, truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng m\u1ed9t pha, m\u00e1y bi\u1ebfn \u00e1p, m\u00e1y ph\u00e1t \u0111i\u1ec7n xoay chi\u1ec1u m\u1ed9t pha.<\/p>\n

\u0110\u1ec3 l\u00e0m t\u1ed1t c\u00e1c b\u00e0i kh\u00f3 v\u1ec1 l\u1ec7ch pha h\u1ecdc sinh ph\u1ea3i c\u00f3\u00a0 t\u01b0 duy to\u00e1n t\u1ed1t v\u1ec1 h\u00ecnh h\u1ecdc ph\u1eb3ng, bi\u1ebft c\u00e1ch v\u1ebd gi\u1ea3n \u0111\u1ed3 v\u00e9c t\u01a1 v\u00e0 s\u1eed d\u1ee5ng linh ho\u1ea1t c\u00e1c \u0111\u1ecbnh l\u00fd h\u00e0m s\u1ed1 sin, \u0111\u1ecbnh l\u00fd h\u00e0m s\u1ed1 C\u00f4sin, \u0111\u1ecbnh l\u00fd Pytago v\u00e0 \u0111\u1eb7c bi\u1ec7t v\u1eadn d\u1ee5ng th\u00e0nh th\u1ea1o c\u00e1c h\u1ec7 th\u1ee9c l\u01b0\u1ee3ng trong tam gi\u00e1c vu\u00f4ng , t\u00ednh ch\u1ea5t c\u1ee7a tam gi\u00e1c \u0111\u1ec1u; tam gi\u00e1c\u00a0 c\u00e2n; h\u00ecnh thoi; h\u00ecnh ch\u1eef nh\u1eadt; h\u00ecnh vu\u00f4ng.<\/p>\n

C\u00e1c b\u00e0i v\u1ec1 c\u1ef1c tr\u1ecb c\u00e1c em ph\u1ea3i ch\u1ee9ng minh ra c\u00f4ng th\u1ee9c t\u00ednh nhanh nhi\u1ec1u l\u1ea7n cho th\u00e0nh th\u1ea1o, hi\u1ec3u r\u00f5 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m b\u00e0i, c\u00f3 b\u00e0i s\u1eed d\u1ee5ng b\u1ea5t \u0111\u1eb3ng th\u1ee9c C\u00f4si, c\u00f3 b\u00e0i \u0111\u01b0a v\u1ec1 bi\u1ec7n lu\u1eadn theo tam th\u1ee9c b\u1eadc 2, c\u00f3 b\u00e0i d\u00f9ng \u0111\u1ea1o h\u00e0m, c\u00f3 b\u00e0i d\u00f9ng gi\u1ea3n \u0111\u1ed3 \u00e1p d\u1ee5ng \u0111\u1ecbnh l\u00fd h\u00e0m s\u1ed1 sin \u0111\u1ec3 t\u00ecm c\u1ef1c tr\u1ecb (c\u00e1c em c\u1ea7n ph\u1ea3i nh\u1edb b\u00e0i n\u00e0y d\u00f9ng c\u00e1ch n\u00e0o cho ph\u00f9 h\u1ee3p, n\u1ebfu b\u00e0i to\u00e1n c\u00f3 nhi\u1ec1u c\u00e1ch gi\u1ea3i ta ph\u1ea3i th\u00e0nh th\u1ea1o c\u00e1c c\u00e1ch gi\u1ea3i \u0111\u00f3).<\/p>\n

\u0110\u1ed1i v\u1edbi m\u1ed7i b\u00e0i to\u00e1n c\u1ef1c tr\u1ecb sau khi l\u00e0m nhi\u1ec1u l\u1ea7n r\u1ed3i c\u00e1c em n\u00ean ghi nh\u1edb c\u00f4ng th\u1ee9c c\u00f4ng th\u1ee9c t\u00ednh nhanh. C\u00e1c b\u00e0i ph\u1ee9c t\u1ea1p l\u00e0 c\u00f3 s\u1ef1 l\u1eafp gh\u00e9p k\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c b\u00e0i to\u00e1n nh\u1ecf, n\u1ebfu c\u00e1c em nh\u1edb \u0111\u01b0\u1ee3c nhi\u1ec1u c\u00f4ng th\u1ee9c t\u00ednh nhanh c\u1ee7a c\u00e1c b\u00e0i to\u00e1n li\u00ean quan th\u00ec s\u1ebd l\u1eafp gh\u00e9p t\u00ecm ra nhanh c\u00e1c b\u00e0i to\u00e1n ph\u1ee9c t\u1ea1p.<\/p>\n

Trong truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng c\u0169ng v\u1eady c\u00e1c b\u00e0i li\u00ean quan t\u1edbi\u00a0 t\u0103ng hay gi\u1ea3m hi\u1ec7u su\u1ea5t truy\u1ec1n t\u1ea3i c\u00e1c em c\u0169ng c\u1ea7n t\u00ecm c\u00e1ch ch\u1ee9ng minh \u0111\u1ec3 ra c\u00f4ng th\u1ee9c t\u00ednh nhanh r\u1ed3i l\u00e0m \u0111i l\u00e0m l\u1ea1i nhi\u1ec1u l\u1ea7n \u0111\u1ec3 thu\u1ed9c c\u00f4ng th\u1ee9c, khi \u0111\u00f3 g\u1eb7p c\u00e2u h\u1ecfi c\u00f3 trong \u0111\u1ec1 thi l\u00e0 ch\u1ec9 vi\u1ec7c d\u00f9ng c\u00f4ng th\u1ee9c \u0111\u00e3 bi\u1ebft \u0111\u1ec3 thay s\u1ed1. N\u00f3i chung c\u00e1c c\u00e2u h\u1ecfi kh\u00f3 c\u1ee7a \u0111i\u1ec7n trong ph\u1ea7n c\u1ef1c tr\u1ecb v\u00e0 truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0a v\u1ec1 c\u00f4ng th\u1ee9c t\u00ednh nhanh c\u00e1c em c\u1ed1 g\u1eafng ch\u1ee9ng minh ra c\u00f4ng th\u1ee9c \u0111\u00f3 v\u00e0 ghi nh\u1edb.<\/p>\n

Theo Ho\u00e0ng Thanh (Infonet)<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

K\u00ec thi THPT qu\u1ed1c gia \u0111ang t\u1edbi r\u1ea5t g\u1ea7n, qua b\u00e1o Infonet, th\u1ea7y L\u00ea H\u1eefu M\u1ea1nh (Gi\u00e1o vi\u00ean t\u1ea1i trung t\u00e2m luy\u1ec7n thi \u0110\u1ea1i h\u1ecdc S\u01b0 ph\u1ea1m) chia s\u1ebb m\u1ed9t s\u1ed1 l\u1ed7i th\u00ed sinh th\u01b0\u1eddng m\u1eafc khi l\u00e0m b\u00e0i thi m\u00f4n V\u1eadt L\u00fd. Theo th\u1ea7y L\u00ea H\u1eefu M\u1ea1nh m\u1ed9t trong nh\u1eefng l\u1ed7i c\u01a1 b\u1ea3n th\u00ed […]<\/p>\n","protected":false},"author":2,"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":[25],"tags":[],"yoast_head":"\nM\u1ed9t s\u1ed1 l\u1ed7i th\u00ed sinh th\u01b0\u1eddng m\u1eafc khi thi m\u00f4n L\u00fd THPT qu\u1ed1c gia<\/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\/mot-loi-thi-sinh-thuong-mac-khi-thi-mon-ly-thpt-quoc-gia\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"M\u1ed9t s\u1ed1 l\u1ed7i th\u00ed sinh th\u01b0\u1eddng m\u1eafc khi thi m\u00f4n L\u00fd THPT qu\u1ed1c gia\" \/>\n<meta property=\"og:description\" content=\"K\u00ec thi THPT qu\u1ed1c gia \u0111ang t\u1edbi r\u1ea5t g\u1ea7n, qua b\u00e1o Infonet, th\u1ea7y L\u00ea H\u1eefu M\u1ea1nh (Gi\u00e1o vi\u00ean t\u1ea1i trung t\u00e2m luy\u1ec7n thi \u0110\u1ea1i h\u1ecdc S\u01b0 ph\u1ea1m) chia s\u1ebb m\u1ed9t s\u1ed1 l\u1ed7i th\u00ed sinh th\u01b0\u1eddng m\u1eafc khi l\u00e0m b\u00e0i thi m\u00f4n V\u1eadt L\u00fd. 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