{"id":2810,"date":"2020-04-23T07:00:52","date_gmt":"2020-04-23T00:00:52","guid":{"rendered":"https:\/\/tathikieu.edu.vn\/?p=2810"},"modified":"2020-04-23T11:56:53","modified_gmt":"2020-04-23T04:56:53","slug":"on-trong-tam-mon-toan-vao-lop-10","status":"publish","type":"post","link":"https:\/\/tathikieu.edu.vn\/?p=2810","title":{"rendered":"\u00d4n tr\u1ecdng t\u00e2m m\u00f4n To\u00e1n v\u00e0o l\u1edbp 10"},"content":{"rendered":"

(GDVN) – Ph\u1ea3i luy\u1ec7n th\u1eadt nhi\u1ec1u \u0111\u1ec1 To\u00e1n m\u1eabu, xem b\u00e0i gi\u1ea3ng ch\u1eefa \u0111\u1ec1 \u0111\u1ec3 n\u1eafm \u0111\u01b0\u1ee3c sai s\u00f3t v\u00e0 b\u1ed5 sung ph\u1ea7n ki\u1ebfn th\u1ee9c m\u00ecnh ch\u01b0a r\u00f5, xem k\u1ef9 c\u00e1c video h\u01b0\u1edbng d\u1eabn gi\u1ea3i chi ti\u1ebft.<\/strong><\/p>\n

\u201cH\u1ecdc sinh n\u1eafm v\u1eefng c\u00e1c ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n trong s\u00e1ch gi\u00e1o khoa, h\u1ecdc \u0111\u1ebfn \u0111\u00e2u ch\u1eafc \u0111\u1ebfn \u0111\u00f3 k\u1ebft h\u1ee3p th\u1ef1c h\u00e0nh l\u00e0m c\u00e1c b\u00e0i t\u1eadp t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao. Thay v\u00ec \u00f4n m\u1ed9t c\u00e1ch tr\u00e0n lan th\u00ec c\u1ea7n n\u1eafm \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac \u0111\u1ec1 thi, t\u1eeb \u0111\u00f3 s\u1ebd t\u1eadp trung v\u00e0o nh\u1eefng tr\u1ecdng t\u00e2m c\u1ea7n thi\u1ebft.<\/p>\n

\u0110\u1ec1 thi m\u00f4n To\u00e1n v\u00e0o l\u1edbp 10 trung h\u1ecdc ph\u1ed5 th\u00f4ng th\u01b0\u1eddng c\u00f3 c\u1ea5u tr\u00fac \u00edt thay \u0111\u1ed5i qua c\u00e1c n\u0103m, v\u00ec th\u1ebf c\u00e1c em n\u00ean \u00f4n nh\u1eefng n\u1ed9i dung ki\u1ebfn th\u1ee9c \u0111\u00e3 xu\u1ea5t hi\u1ec7n trong \u0111\u1ec1 thi v\u00e0o l\u1edbp 10 c\u1ee7a nh\u1eefng n\u0103m tr\u01b0\u1edbc, ch\u00fa \u00fd n\u0103m nay s\u1ebd tr\u00e1nh nh\u1eefng ph\u1ea7n \u0111\u00e3 \u0111\u01b0\u1ee3c B\u1ed9 Gi\u00e1o d\u1ee5c c\u00f4ng b\u1ed1 gi\u1ea3m t\u1ea3i.<\/p>\n

N\u00ean ch\u00fa tr\u1ecdng r\u00e8n luy\u1ec7n k\u1ef9 n\u0103ng l\u00e0m b\u00e0i theo c\u00e1c d\u1ea1ng b\u00e0i trong t\u1eebng chuy\u00ean \u0111\u1ec1, h\u1ecdc sinh c\u1ea7n ch\u00fa \u00fd nh\u1eefng l\u1ed7i sai hay m\u1eafc ph\u1ea3i nh\u01b0 kh\u00f4ng \u0111\u1ecdc k\u1ef9 \u0111\u1ec1 b\u00e0i, bi\u1ebfn \u0111\u1ed5i sai, thi\u1ebfu \u0111i\u1ec1u ki\u1ec7n, kh\u00f4ng k\u1ebft h\u1ee3p \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 lo\u1ea1i nghi\u1ec7m, nh\u1edb nh\u1ea7m c\u00f4ng th\u1ee9c, v\u1ebd sai h\u00ecnh…\u201d, trao \u0111\u1ed5i v\u1edbi ph\u00f3ng vi\u00ean Gi\u00e1o d\u1ee5c Vi\u1ec7t Nam, c\u00f4 L\u01b0\u01a1ng Th\u1ecb Li\u00ean – Gi\u00e1o vi\u00ean T\u1ed5 To\u00e1n – L\u00fd Tr\u01b0\u1eddng Trung h\u1ecdc c\u01a1 s\u1edf Th\u00e1i Th\u1ecbnh (qu\u1eadn \u0110\u1ed1ng \u0110a, H\u00e0 N\u1ed9i), chia s\u1ebb.<\/p>\n

Theo c\u00f4 Li\u00ean: \u201c C\u00e1c em ph\u1ea3i luy\u1ec7n th\u1eadt nhi\u1ec1u \u0111\u1ec1 m\u1eabu \u0111\u00e3 c\u00f3, xem b\u00e0i gi\u1ea3ng ch\u1eefa \u0111\u1ec1 \u0111\u1ec3 n\u1eafm \u0111\u01b0\u1ee3c sai s\u00f3t v\u00e0 b\u1ed5 sung ki\u1ebfn th\u1ee9c nh\u1eefng ph\u1ea7n m\u00ecnh ch\u01b0a r\u00f5, c\u0169ng nh\u01b0 bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1ch \u0111\u1ea1t \u0111i\u1ec3m t\u1ed1i \u0111a trong t\u1eebng c\u00e2u.<\/p>\n

\u0110\u1ed1i chi\u1ebfu \u0111\u00e1p \u00e1n chi ti\u1ebft, h\u1ecdc ki\u1ebfn th\u1ee9c n\u00e2ng cao \u0111\u1ec3 ho\u00e0n thi\u1ec7n c\u00e1c c\u00e2u h\u1ecfi. Ngo\u00e0i vi\u1ec7c t\u00ecm hi\u1ec3u c\u1ea5u tr\u00fac \u0111\u1ec1, luy\u1ec7n nhi\u1ec1u \u0111\u1ec1 thi s\u1ebd gi\u00fap c\u00e1c em \u0111\u00e1nh gi\u00e1 n\u0103ng l\u1ef1c c\u1ee7a b\u1ea3n th\u00e2n, bi\u1ebft \u0111\u01b0\u1ee3c nh\u1eefng ph\u1ea7n m\u00ecnh ch\u01b0a hi\u1ec3u r\u00f5, t\u1eeb \u0111\u00f3 xem l\u1ea1i l\u00fd thuy\u1ebft, t\u00ecm b\u00e0i t\u1eadp ph\u1ea7n \u0111\u00f3 \u0111\u1ec3 luy\u1ec7n l\u1ea1i.<\/p>\n

N\u1ebfu \u0111\u1ecdc l\u1ea1i qua s\u00e1ch v\u1edf v\u1eabn ch\u01b0a th\u1ef1c s\u1ef1 hi\u1ec3u k\u1ef9 th\u1ea5u \u0111\u00e1o th\u00ec h\u1ecdc sinh n\u00ean xem l\u1ea1i c\u00e1c video h\u01b0\u1edbng d\u1eabn gi\u1ea3i chi ti\u1ebft, \u0111\u00e2y c\u0169ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p gi\u00fap c\u00e1c em hi\u1ec3u nhanh h\u01a1n. \u00d4n luy\u1ec7n gi\u1ea3i \u0111\u1ec1 m\u1eabu nhi\u1ec1u s\u1ebd gi\u00fap c\u00e1c em n\u1eafm \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac \u0111\u1ec1 thi, ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i t\u1eebng c\u00e2u h\u1ecfi, t\u1eebng d\u1ea1ng to\u00e1n.<\/p>\n

Qua nh\u1eefng \u0111\u1ec1 m\u1eabu, h\u1ecdc sinh c\u00f3 th\u1ec3 t\u1ef1 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 c\u1ee7a m\u00ecnh \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c bao nhi\u00eau \u0111i\u1ec3m, ch\u1eafc ph\u1ea7n n\u00e0o, ph\u1ea7n n\u00e0o ch\u01b0a t\u1ed1t, hay sai \u1edf m\u1ea3ng ki\u1ebfn th\u1ee9c n\u00e0o, d\u1ea1ng to\u00e1n n\u00e0o m\u00ecnh ch\u01b0a \u1ed5n, c\u1ea7n l\u01b0u t\u00e2m \u0111\u1ebfn nh\u1eefng l\u1ed7i sai \u0111\u1ec3 s\u1eeda ch\u1eefa, r\u00fat kinh nghi\u1ec7m\u201d.<\/p>\n

T\u1eadp trung \u00f4n tr\u1ecdng t\u00e2m<\/strong><\/p>\n

C\u00f4 Li\u00ean cho bi\u1ebft: \u201cH\u1ecdc sinh n\u00ean x\u00e1c \u0111\u1ecbnh r\u00f5 n\u0103ng l\u1ef1c h\u1ecdc t\u1eadp c\u1ee7a m\u00ecnh \u0111\u1ec3 t\u1eadp trung \u00f4n t\u1eadp ch\u1eafc c\u00e1c d\u1ea1ng b\u00e0i m\u00e0 s\u1ee9c m\u00ecnh c\u00f3 th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c, b\u00ean c\u1ea1nh \u0111\u00f3 vi\u1ec7c b\u00e1m s\u00e1t \u0111\u1ec1 c\u1ee7a n\u0103m h\u1ecdc tr\u01b0\u1edbc c\u0169ng r\u1ea5t quan tr\u1ecdng.<\/p>\n

C\u1ea7n ph\u1ea3i n\u1eafm v\u1eefng ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i c\u1ee7a t\u1eebng d\u1ea1ng trong chuy\u00ean \u0111\u1ec1. \u0110\u1ec1 thi s\u1ebd ph\u00e2n b\u1ed5 \u0111\u1ed3ng \u0111\u1ec1u c\u00e1c c\u00e2u h\u1ecfi t\u1eeb d\u1ec5 \u0111\u1ebfn kh\u00f3 \u0111\u1ec3 h\u1ecdc sinh c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m t\u1eebng c\u00e2u t\u00f9y theo n\u0103ng l\u1ef1c h\u1ecdc t\u1eadp.<\/p>\n

N\u1eafm r\u00f5 c\u1ea5u tr\u00fac \u0111\u1ec1 \u0111\u1ec3 c\u00f3 k\u1ebf ho\u1ea1ch \u00f4n t\u1eadp t\u1ed1t, c\u1ea7n \u00f4n t\u1eadp ph\u1ee7 \u0111\u1ec1u c\u00e1c v\u1ea5n \u0111\u1ec1 theo c\u1ea5u tr\u00fac \u0111\u1ec1 n\u0103m tr\u01b0\u1edbc. Ti\u1ebfp \u0111\u1ebfn l\u00e0 \u00f4n t\u1eadp th\u00eam c\u00e1c b\u00e0i to\u00e1n \u1edf c\u00e1c \u0111\u1ec1 thi th\u1eed h\u00e0ng n\u0103m, ho\u1eb7c b\u00e0i t\u1eadp trong c\u00e1ch s\u00e1ch tham kh\u1ea3o, b\u00e0i t\u1eadp tr\u00ean c\u00e1c trang \u00f4n thi uy t\u00edn tr\u00ean m\u1ea1ng internet. Vi\u1ec7c c\u1ea7n c\u00f9, ch\u1ecbu kh\u00f3 h\u00e0ng ng\u00e0y \u0111\u00f3ng vai tr\u00f2 v\u00f4 c\u00f9ng quan tr\u1ecdng.<\/p>\n

Vi\u1ec7c \u00f4n thi ph\u1ea3i c\u00f3 k\u1ebf ho\u1ea1ch c\u1ee5 th\u1ec3 theo t\u1eebng ng\u00e0y, t\u1eebng tu\u1ea7n v\u00e0 nghi\u00eam t\u00fac th\u1ef1c hi\u1ec7n k\u1ebf ho\u1ea1ch theo c\u00e1c chuy\u00ean \u0111\u1ec1, c\u00e1c d\u1ea1ng b\u00e0i thi, \u0111\u1ed3ng th\u1eddi r\u00e8n k\u1ef9 n\u0103ng quy\u1ebft \u0111o\u00e1n, t\u00ednh to\u00e1n nhanh.<\/p>\n

C\u1ea5u tr\u00fac \u0111\u1ec1 r\u1ea5t r\u00f5 r\u00e0ng g\u1ed3m c\u00e1c ph\u1ea7n ki\u1ebfn th\u1ee9c sau: Ph\u1ea7n \u0110\u1ea1i s\u1ed1 trong \u0111\u1ec1 thi chi\u1ebfm 6 \u0111\u1ebfn 7 \u0111i\u1ec3m, trong \u0111\u00f3 c\u00f3 kho\u1ea3ng 5,5 \u0111\u1ebfn 6 \u0111i\u1ec3m m\u00e0 c\u00e1c em d\u1ec5 d\u00e0ng \u0111\u1ea1t \u0111i\u1ec3m tr\u1ecdn v\u1eb9n n\u1ebfu l\u00e0m b\u00e0i m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn.<\/p>\n

Ch\u00ednh v\u00ec th\u1ebf, c\u00e1c em n\u00ean \u00f4n t\u1eadp nhu\u1ea7n nhuy\u1ec5n c\u00e1c d\u1ea1ng b\u00e0i \u0111\u1ec3 tr\u00e1nh b\u1ecf l\u1ee1 nh\u1eefng s\u1ed1 \u0111i\u1ec3m quan tr\u1ecdng.<\/p>\n

\u0110\u1ec3 l\u00e0m t\u1ed1t ph\u1ea7n H\u00ecnh h\u1ecdc, \u0111\u1ecbnh h\u01b0\u1edbng nhanh c\u00e1c d\u1ea1ng trong \u0111\u1ec1 thi, h\u1ecdc sinh c\u1ea7n ch\u00fa \u00fd c\u00e1c d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft t\u1ee9 gi\u00e1c n\u1ed9i ti\u1ebfp, tam gi\u00e1c, t\u1ee9 gi\u00e1c \u0111\u1eb7c bi\u1ec7t v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c lo\u1ea1i g\u00f3c trong \u0111\u01b0\u1eddng tr\u00f2n.<\/p>\n

N\u1eafm ch\u1eafc c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng tr\u00ean v\u00e0 c\u00e1ch ch\u1ee9ng minh c\u1ee7a t\u1eebng lo\u1ea1i to\u00e1n s\u1ebd gi\u00fap c\u00e1c em c\u00f3 nh\u1eefng \u00fd t\u01b0\u1edfng ch\u1ee9ng minh r\u1ea5t nhanh g\u1ecdn.<\/p>\n

V\u1edbi \u0111a s\u1ed1 \u0111\u1ec1 thi, c\u00e2u cu\u1ed1i ch\u00ednh l\u00e0 c\u00e2u mang t\u00ednh ph\u00e2n lo\u1ea1i h\u1ecdc sinh v\u00e0 th\u01b0\u1eddng n\u1eb1m trong m\u1ea3ng ki\u1ebfn th\u1ee9c n\u00e2ng cao nh\u01b0: B\u1ea5t \u0111\u1eb3ng th\u1ee9c c\u1ef1c tr\u1ecb, gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t, gi\u00e1 tr\u1ecb nh\u1ecf nh\u1ea5t, gi\u1ea3i m\u1ed9t s\u1ed1 lo\u1ea1i ph\u01b0\u01a1ng tr\u00ecnh kh\u00f3, ph\u01b0\u01a1ng tr\u00ecnh v\u00f4 t\u1ec9, ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc cao, ph\u01b0\u01a1ng tr\u00ecnh \u0111\u1eb7c bi\u1ec7t\u2026 ho\u1eb7c c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t b\u00e0i h\u00ecnh h\u1ecdc n\u00e2ng cao\u201d.<\/p>\n

\"\"<\/p>\n

B\u00ed quy\u1ebft l\u00e0m b\u00e0i thi<\/strong><\/p>\n

C\u00f4 Li\u00ean l\u01b0u \u00fd: \u201cH\u1ecdc sinh c\u1ea7n th\u1ef1c hi\u1ec7n l\u1ed9 tr\u00ecnh \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m an to\u00e0n r\u1ed3i m\u1edbi ph\u1ea5n \u0111\u1ea5u \u0111\u1ebfn nh\u1eefng c\u00e2u c\u00f3 \u0111i\u1ec3m cao. Khi \u0111\u1ecdc \u0111\u1ec1 c\u1ea7n x\u1eed l\u00fd l\u00e0m nh\u1eefng c\u00e2u h\u1ecfi d\u1ec5 tr\u01b0\u1edbc, l\u00e0m \u0111\u1ebfn \u0111\u00e2u ch\u1eafc ch\u1eafn \u0111\u1ebfn \u0111\u00f3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ea1t \u0111i\u1ec3m t\u1ed1i \u0111a c\u1ee7a t\u1eebng c\u00e2u.<\/p>\n

Ch\u1ecdn c\u00e2u kh\u00f3 l\u00e0m tr\u01b0\u1edbc s\u1ebd m\u1ea5t nhi\u1ec1u th\u1eddi gian m\u00e0 \u0111\u01b0\u1ee3c \u00edt \u0111i\u1ec3m, v\u00e0 trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng l\u00e0m \u0111\u01b0\u1ee3c s\u1ebd d\u1ec5 d\u1eabn \u0111\u1ebfn m\u1ea5t b\u00ecnh t\u0129nh, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh l\u00e0m b\u00e0i ti\u1ebfp theo.<\/p>\n

Do v\u1eady tr\u01b0\u1edbc khi l\u00e0m b\u00e0i thi, n\u00ean \u0111\u1ecdc k\u1ef9 h\u1ebft \u0111\u1ec1 b\u00e0i m\u1ed9t l\u1ea7n r\u1ed3i ph\u00e2n lo\u1ea1i c\u00e2u h\u1ecfi th\u00e0nh ba lo\u1ea1i: Lo\u1ea1i 1: \u0110\u1ed1i v\u1edbi nh\u1eefng c\u00e2u h\u1ecfi d\u1ec5, \u0111\u1ec3 ti\u1ebft ki\u1ec7m th\u1eddi gian, n\u00ean vi\u1ebft tr\u1ef1c ti\u1ebfp v\u00e0o b\u00e0i thi. Lo\u1ea1i 2: C\u00e2u h\u1ecfi trung b\u00ecnh th\u00ec t\u1eadp trung suy ngh\u0129, c\u1ed1 g\u1eafng t\u00ecm h\u01b0\u1edbng gi\u1ea3i b\u1eb1ng \u0111\u01b0\u1ee3c.<\/p>\n

Lo\u1ea1i 3: Nh\u1eefng c\u00e2u h\u1ecfi kh\u00f3, \u0111\u00e1nh \u0111\u1ed1 th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 ph\u00e2n lo\u1ea1i h\u1ecdc sinh v\u00e0 \u0111\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c c\u00e2u n\u00e0y c\u1ea7n nhi\u1ec1u th\u1eddi gian suy ngh\u0129, do \u0111\u00f3 c\u00e1c em n\u00ean d\u00e0nh th\u1eddi gian l\u00e0m b\u00e0i cu\u1ed1i c\u00f9ng. N\u1ebfu kh\u00f4ng l\u00e0m \u0111\u01b0\u1ee3c th\u00ec c\u0169ng kh\u00f4ng qu\u00e1 lo l\u1eafng v\u00ec c\u00e2u kh\u00f3 th\u01b0\u1eddng kh\u00f4ng chi\u1ebfm qu\u00e1 nhi\u1ec1u \u0111i\u1ec3m c\u1ee7a c\u1ea3 \u0111\u1ec1 thi.<\/p>\n

Nh\u1eefng c\u00e2u n\u00e0o \u0111\u00e3 l\u00e0m r\u1ed3i th\u00ec n\u00ean \u0111\u00e1nh d\u1ea5u v\u00e0o nh\u00e1p \u0111\u1ec3 tr\u00e1nh b\u1ecb l\u00e0m l\u1ea1i, h\u01a1n n\u1eefa nh\u01b0 v\u1eady m\u1edbi kh\u00f4ng b\u1ecb b\u1ecf s\u00f3t c\u00e2u h\u1ecfi, nh\u00ecn v\u00e0o \u0111\u00e1nh d\u1ea5u l\u00e0 bi\u1ebft r\u00f5 nh\u1eefng c\u00e2u \u0111\u00e3 v\u00e0 ch\u01b0a l\u00e0m.<\/p>\n

Ph\u00e2n b\u1ed5 th\u1eddi gian h\u1ee3p l\u00fd, qu\u00e1 th\u1eddi gian cho m\u1ed9t c\u00e2u c\u1ea7n chuy\u1ec3n c\u00e2u kh\u00e1c \u0111\u1ec3 tr\u00e1nh sa \u0111\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n

V\u1edbi c\u00e1c b\u00e0i \u0111\u00e3 c\u00f3 \u0111i\u1ec1u ki\u1ec7n, c\u1ea7n \u0111\u1ed1i chi\u1ebfu, k\u1ebft h\u1ee3p \u0111\u1ec3 l\u1ea5y nghi\u1ec7m ho\u1eb7c lo\u1ea1i nghi\u1ec7m, ch\u00fa \u00fd \u0111i\u1ec1u ki\u1ec7n nh\u01b0 gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh ho\u1eb7c ph\u01b0\u01a1ng tr\u00ecnh, v\u00e0 c\u00f3 th\u1ec3 l\u00e0 b\u00e0i to\u00e1n ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai ….<\/p>\n

\u0110\u1ed1i chi\u1ebfu t\u1eeb ph\u1ea7n nh\u00e1p \u0111\u1ebfn khi \u0111i\u1ec1n v\u00e0o b\u00e0i l\u00e0m th\u1eadt ch\u00ednh x\u00e1c, tr\u00e1ch l\u00e0m nh\u00e1p th\u00ec \u0111\u00fang nh\u01b0ng khi vi\u1ebft v\u00e0o b\u00e0i l\u1ea1i b\u1ecb l\u1ec7ch c\u00e2u, nh\u01b0 v\u1eady s\u1ebd b\u1ecb sai 2 c\u00e2u ch\u1ee9 kh\u00f4ng ph\u1ea3i 1.<\/p>\n

C\u1ea7n c\u1ed1 g\u1eafng l\u00e0m h\u1ebft c\u00e1c c\u00e2u h\u1ecfi v\u00e0 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecf ch\u1ed1ng c\u00e2u n\u00e0o, c\u00f3 nh\u01b0 v\u1eady m\u1edbi hy v\u1ecdng \u0111\u01b0\u1ee3c th\u00eam \u0111i\u1ec3m, c\u0169ng nh\u01b0 kh\u00f4ng b\u1ecb \u0111i\u1ec3m li\u1ec7t.<\/p>\n

V\u1edbi c\u00e1c b\u00e0i h\u00ecnh, c\u1ea7n ph\u1ea3i v\u1ebd h\u00ecnh ch\u00ednh x\u00e1c, l\u01b0u \u00fd k\u1ef9 n\u0103ng tr\u00ecnh b\u00e0y r\u00f5 r\u00e0ng, kh\u00f4ng t\u1ea9y x\u00f3a, khi l\u00e0m xong b\u00e0i c\u1ed1 g\u1eafng d\u00e0nh kho\u1ea3ng 5 ph\u00fat \u0111\u1ed3ng h\u1ed3 \u0111\u1ec3 ki\u1ec3m tra l\u1ea1i t\u1ea5t c\u1ea3 c\u00e1c c\u00e2u tr\u1ea3 l\u1eddi, b\u00e0i l\u00e0m c\u1ee7a m\u00ecnh tr\u01b0\u1edbc khi n\u1ed9p.<\/p>\n

C\u00e1c em l\u01b0u \u00fd, m\u1ed7i \u00fd \u0111\u00fang \u0111\u1ec1u c\u00f3 \u0111i\u1ec3m, do v\u1eady vi\u1ec7c vi\u1ebft th\u00eam l\u1eddi gi\u1ea3i \u0111\u1ec3 c\u00f3 0,25 \u0111i\u1ec3m nhi\u1ec1u khi kh\u00f4ng qu\u00e1 kh\u00f3. Nhi\u1ec1u em kh\u00f4ng \u0111\u1ec3 t\u00e2m \u0111\u1ebfn \u0111i\u1ec1u n\u00e0y ho\u1eb7c coi \u0111i\u1ec3m n\u00e0y kh\u00f4ng \u0111\u00e1ng th\u01b0\u1eddng b\u1ecf qua l\u00e0 sai l\u1ea7m, t\u1eebng ch\u00fat \u0111i\u1ec3m nh\u1ecf nh\u01b0 v\u1eady nh\u01b0ng khi c\u1ed9ng t\u1ed5ng th\u1ec3 s\u1ebd th\u00e0nh \u0111i\u1ec3m l\u1edbn\u201d.<\/p>\n

T\u00f9ng D\u01b0\u01a1ng<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

(GDVN) – Ph\u1ea3i luy\u1ec7n th\u1eadt nhi\u1ec1u \u0111\u1ec1 To\u00e1n m\u1eabu, xem b\u00e0i gi\u1ea3ng ch\u1eefa \u0111\u1ec1 \u0111\u1ec3 n\u1eafm \u0111\u01b0\u1ee3c sai s\u00f3t v\u00e0 b\u1ed5 sung ph\u1ea7n ki\u1ebfn th\u1ee9c m\u00ecnh ch\u01b0a r\u00f5, xem k\u1ef9 c\u00e1c video h\u01b0\u1edbng d\u1eabn gi\u1ea3i chi ti\u1ebft. \u201cH\u1ecdc sinh n\u1eafm v\u1eefng c\u00e1c ki\u1ebfn th\u1ee9c c\u01a1…<\/p>\n","protected":false},"author":1,"featured_media":2812,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","footnotes":""},"categories":[35],"tags":[155,154],"class_list":["post-2810","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-daytothoctot","tag-lop-10","tag-toan"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/tathikieu.edu.vn\/index.php?rest_route=\/wp\/v2\/posts\/2810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tathikieu.edu.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tathikieu.edu.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tathikieu.edu.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tathikieu.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2810"}],"version-history":[{"count":0,"href":"https:\/\/tathikieu.edu.vn\/index.php?rest_route=\/wp\/v2\/posts\/2810\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tathikieu.edu.vn\/index.php?rest_route=\/wp\/v2\/media\/2812"}],"wp:attachment":[{"href":"https:\/\/tathikieu.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tathikieu.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tathikieu.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}