{"id":2791,"date":"2026-10-11T23:07:14","date_gmt":"2026-10-11T16:07:14","guid":{"rendered":"https:\/\/navi.edu.vn\/blog\/?p=2791"},"modified":"2026-10-11T23:07:14","modified_gmt":"2026-10-11T16:07:14","slug":"cach-hoc-toan-hieu-qua-thu-tu-hoc-chuan","status":"publish","type":"post","link":"https:\/\/navi.edu.vn\/blog\/cach-hoc-toan-hieu-qua-thu-tu-hoc-chuan\/","title":{"rendered":"C\u00e1ch h\u1ecdc To\u00e1n hi\u1ec7u qu\u1ea3: Th\u1ee9 t\u1ef1 h\u1ecdc chu\u1ea9n cho h\u1ecdc sinh"},"content":{"rendered":"

R\u1ea5t nhi\u1ec1u h\u1ecdc sinh mi\u1ec7t m\u00e0i b\u1ecf ra h\u00e0ng gi\u1edd m\u1ed7i t\u1ed1i \u0111\u1ec3 c\u00e0y \u0111\u1ec1, gi\u1ea3i h\u1ebft x\u1ea5p t\u00e0i li\u1ec7u n\u00e0y \u0111\u1ebfn h\u00e0ng tr\u0103m b\u00e0i t\u1eadp kh\u00e1c, nh\u01b0ng khi b\u01b0\u1edbc v\u00e0o ph\u00f2ng thi v\u1eabn l\u00fang t\u00fang v\u00e0 nh\u1eadn v\u1ec1 k\u1ebft qu\u1ea3 kh\u00f4ng nh\u01b0 \u00fd. B\u00e0i vi\u1ebft n\u00e0y t\u1eeb NaviEdu s\u1ebd h\u01b0\u1edbng d\u1eabn quy tr\u00ecnh 5 b\u01b0\u1edbc chu\u1ea9n h\u00f3a, gi\u00fap con x\u00e2y d\u1ef1ng c\u00e1ch h\u1ecdc to\u00e1n hi\u1ec7u qu\u1ea3<\/b>, h\u1ecdc nh\u00e0n h\u01a1n nh\u01b0ng nh\u1edb l\u00e2u v\u00e0 t\u1ef1 tin b\u1ee9t ph\u00e1 \u0111i\u1ec3m s\u1ed1 trong m\u1ecdi k\u1ef3 thi!<\/p>\n

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H\u1ecdc To\u00e1n hi\u1ec7u qu\u1ea3 th\u1ef1c s\u1ef1 l\u00e0 g\u00ec? (Ph\u00e1 v\u1ee1 nh\u1eefng ng\u1ed9 nh\u1eadn)<\/strong><\/h2>\n
\"\u0110\u1ecbnh
\u0110\u1ecbnh ngh\u0129a \u0111\u00fang v\u1ec1 c\u00e1ch h\u1ecdc To\u00e1n hi\u1ec7u qu\u1ea3<\/figcaption><\/figure>\n

Tr\u01b0\u1edbc khi t\u00ecm ki\u1ebfm ph\u01b0\u01a1ng ph\u00e1p hay c\u00f4ng th\u1ee9c gi\u1ea3i nhanh, h\u1ecdc sinh v\u00e0 ph\u1ee5 huynh c\u1ea7n nh\u00ecn nh\u1eadn l\u1ea1i \u0111\u1ecbnh ngh\u0129a chu\u1ea9n x\u00e1c v\u1ec1 vi\u1ec7c h\u1ecdc To\u00e1n, t\u1eeb \u0111\u00f3 x\u00f3a b\u1ecf nh\u1eefng quan ni\u1ec7m sai l\u1ea7m v\u1ed1n \u0111\u00e3 \u0103n s\u00e2u v\u00e0o suy ngh\u0129:<\/p>\n

1. Kh\u00f4ng ph\u1ea3i l\u00e0 “c\u00e0y” c\u00e0ng nhi\u1ec1u b\u00e0i t\u1eadp c\u00e0ng t\u1ed1t<\/h3>\n
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    C\u00e1i b\u1eaby c\u1ee7a s\u1ef1 b\u1eadn r\u1ed9n:<\/b> Nhi\u1ec1u b\u1ea1n h\u1ecdc sinh th\u01b0\u1eddng l\u1ea7m t\u01b0\u1edfng r\u1eb1ng c\u1ee9 gi\u1ea3i xong c\u1ea3 t\u1eadp \u0111\u1ec1 d\u00e0y c\u1ed9p, ho\u00e0n th\u00e0nh h\u00e0ng tr\u0103m b\u00e0i t\u1eadp th\u00ec \u0111i\u1ec3m s\u1ed1 s\u1ebd t\u1ef1 \u0111\u1ed9ng n\u00e2ng cao. Tuy nhi\u00ean, vi\u1ec7c c\u1eafm c\u00fai l\u00e0m s\u1ed1 l\u01b0\u1ee3ng l\u1edbn m\u1ed9t c\u00e1ch \u0111\u1ed1i ph\u00f3 ch\u1ec9 t\u1ea1o ra m\u1ed9t “\u1ea3o gi\u00e1c b\u1eadn r\u1ed9n”, khi\u1ebfn b\u1ea3n th\u00e2n c\u1ea3m th\u1ea5y y\u00ean t\u00e2m gi\u1ea3 t\u1ea1o nh\u01b0ng th\u1ef1c ch\u1ea5t kh\u00f4ng \u0111em l\u1ea1i s\u1ef1 ti\u1ebfn b\u1ed9 v\u1ec1 t\u01b0 duy.<\/p>\n<\/li>\n

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    Ch\u1ea5t l\u01b0\u1ee3ng lu\u00f4n v\u01b0\u1ee3t tr\u1ed9i s\u1ed1 l\u01b0\u1ee3ng:<\/b> Vi\u1ec7c gi\u1ea3i m\u1ed9t c\u00e1ch m\u00e1y m\u00f3c theo th\u00f3i quen h\u1ecdc v\u1eb9t s\u1ebd khi\u1ebfn n\u00e3o b\u1ed9 b\u1ecb t\u00ea li\u1ec7t ph\u1ea3n x\u1ea1 khi g\u1eb7p \u0111\u1ec1 thi c\u00f3 d\u1ea1ng bi\u1ebfn t\u1ea5u. M\u1ed9t b\u00e0i to\u00e1n \u0111\u01b0\u1ee3c m\u1ed5 x\u1ebb c\u1eb7n k\u1ebd, hi\u1ec3u r\u00f5 t\u1eebng b\u01b0\u1edbc l\u1eadp lu\u1eadn, n\u1eafm ch\u1eafc l\u00fd do v\u00ec sao d\u00f9ng c\u00f4ng th\u1ee9c n\u00e0y m\u00e0 kh\u00f4ng d\u00f9ng c\u00f4ng th\u1ee9c kh\u00e1c c\u00f3 gi\u00e1 tr\u1ecb g\u1ea5p nhi\u1ec1u l\u1ea7n vi\u1ec7c l\u00e0m l\u01b0\u1edbt qua 10 b\u00e0i t\u1eadp ch\u1ec9 \u0111\u1ec3 ch\u00e9p ra \u0111\u00e1p s\u1ed1.<\/p>\n<\/li>\n<\/ul>\n

    2. B\u1ea3n ch\u1ea5t c\u1ed1t l\u00f5i c\u1ee7a vi\u1ec7c h\u1ecdc To\u00e1n hi\u1ec7u qu\u1ea3<\/h3>\n
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      Kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i logic v\u00e0 t\u01b0 duy \u0111\u1ed9c l\u1eadp:<\/b> H\u1ecdc To\u00e1n hi\u1ec7u qu\u1ea3 kh\u00f4ng \u0111o b\u1eb1ng tr\u00ed nh\u1edb t\u1ea1m th\u1eddi m\u00e0 \u0111o b\u1eb1ng kh\u1ea3 n\u0103ng hi\u1ec3u s\u00e2u b\u1ea3n ch\u1ea5t \u0111\u1ecbnh l\u00fd, c\u00f4ng th\u1ee9c v\u00e0 li\u00ean h\u1ec7 \u0111\u01b0\u1ee3c ch\u00fang v\u1edbi c\u00e1c b\u00e0i to\u00e1n th\u1ef1c t\u1ebf.<\/p>\n<\/li>\n

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      T\u1ed1i \u01b0u h\u00f3a th\u1eddi gian v\u00e0 ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i:<\/b> M\u1ed9t h\u1ecdc sinh h\u1ecdc To\u00e1n hi\u1ec7u qu\u1ea3 l\u00e0 ng\u01b0\u1eddi bi\u1ebft c\u00e1ch huy \u0111\u1ed9ng v\u1ed1n ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng \u0111\u00e3 h\u1ecdc \u1edf c\u00e1c l\u1edbp d\u01b0\u1edbi \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ed9t b\u00e0i to\u00e1n m\u1edbi xu\u1ea5t hi\u1ec7n tr\u00ean \u0111\u1ec1 thi. B\u1ea1n \u1ea5y kh\u00f4ng c\u1ea7n m\u1ea5t qu\u00e1 nhi\u1ec1u th\u1eddi gian th\u1eed – sai v\u00f4 \u0111\u1ecbnh, m\u00e0 c\u00f3 th\u1ec3 v\u1ea1ch ra m\u1ea1ch suy lu\u1eadn r\u00f5 r\u00e0ng, bi\u1ebfn \u0111\u1ed5i ch\u00ednh x\u00e1c v\u00e0 t\u00ecm ra l\u1eddi gi\u1ea3i g\u1ecdn g\u00e0ng trong th\u1eddi gian ng\u1eafn nh\u1ea5t.<\/p>\n<\/li>\n<\/ul>\n

      3. T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c h\u1ecdc \u0111\u00fang th\u1ee9 t\u1ef1<\/h3>\n
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        C\u01a1 ch\u1ebf ti\u1ebfp nh\u1eadn th\u00f4ng tin theo t\u1ea7ng b\u1eadc c\u1ee7a n\u00e3o b\u1ed9:<\/b> N\u00e3o b\u1ed9 con ng\u01b0\u1eddi kh\u00f4ng th\u1ec3 x\u1eed l\u00fd t\u1ed1t th\u00f4ng tin ph\u1ee9c t\u1ea1p n\u1ebfu c\u00e1c t\u1ea7ng nh\u1eadn th\u1ee9c b\u00ean d\u01b0\u1edbi c\u00f2n l\u1ecfng l\u1ebbo. Qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp c\u1ea7n tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t theo tr\u1eadt t\u1ef1: t\u1eeb nh\u1eadn bi\u1ebft kh\u00e1i ni\u1ec7m \u2192<\/span><\/span><\/span><\/span><\/span> th\u00f4ng hi\u1ec3u b\u1ea3n ch\u1ea5t \u2192<\/span><\/span><\/span><\/span><\/span> v\u1eadn d\u1ee5ng c\u01a1 b\u1ea3n \u2192<\/span><\/span><\/span><\/span><\/span> v\u1eadn d\u1ee5ng n\u00e2ng cao.<\/p>\n<\/li>\n

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        Tri\u1ec7t ti\u00eau tri\u1ec7t \u0111\u1ec3 t\u00ecnh tr\u1ea1ng “h\u1ecdc tr\u01b0\u1edbc qu\u00ean sau”:<\/b> Khi h\u1ecdc sinh \u0111\u1ed1t ch\u00e1y giai \u0111o\u1ea1n, v\u1ed9i v\u00e0ng lao v\u00e0o gi\u1ea3i c\u00e1c b\u00e0i t\u1eadp kh\u00f3 khi l\u00fd thuy\u1ebft ch\u01b0a v\u1eefng, ki\u1ebfn th\u1ee9c n\u1ea1p v\u00e0o s\u1ebd ch\u1ec9 l\u00e0 ph\u1ea7n ng\u1ecdn tr\u00f4i n\u1ed5i. Ng\u01b0\u1ee3c l\u1ea1i, \u0111i \u0111\u00fang tr\u00ecnh t\u1ef1 khoa h\u1ecdc s\u1ebd gi\u00fap t\u1eebng m\u1eaft x\u00edch ki\u1ebfn th\u1ee9c b\u00e1m r\u1ec5 s\u00e2u v\u00e0o tr\u00ed nh\u1edb d\u00e0i h\u1ea1n, t\u1ea1o b\u1ec7 ph\u00f3ng v\u1eefng ch\u1eafc \u0111\u1ec3 chinh ph\u1ee5c c\u00e1c d\u1ea1ng b\u00e0i ph\u1ee9c t\u1ea1p h\u01a1n m\u00e0 kh\u00f4ng lo b\u1ecb r\u01a1i r\u1ee5ng ki\u1ebfn th\u1ee9c c\u0169.<\/p>\n<\/li>\n<\/ul>\n

        Quy tr\u00ecnh 5 b\u01b0\u1edbc h\u1ecdc To\u00e1n \u0111\u00fang th\u1ee9 t\u1ef1 gi\u00fap h\u1ecdc sinh b\u1ee9t ph\u00e1<\/strong><\/h2>\n
        \"C\u00f9ng
        C\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 quy tr\u00ecnh h\u1ecdc To\u00e1n 5 b\u01b0\u1edbc \u0111\u1ec3 c\u1ea3i thi\u1ec7n v\u00e0 b\u1ee9t ph\u00e1 \u0111i\u1ec3m s\u1ed1<\/figcaption><\/figure>\n

        \u0110\u1ec3 tho\u00e1t kh\u1ecfi c\u1ea3nh h\u1ecdc tr\u01b0\u1edbc qu\u00ean sau v\u00e0 l\u00e0m ch\u1ee7 c\u00e1c k\u1ef3 thi, h\u1ecdc sinh c\u1ea7n r\u00e8n luy\u1ec7n theo m\u1ed9t quy tr\u00ecnh 5 b\u01b0\u1edbc chu\u1ea9n h\u00f3a. \u0110i \u0111\u00fang th\u1ee9 t\u1ef1 n\u00e0y gi\u00fap c\u00e1c m\u1eaft x\u00edch t\u01b0 duy \u0103n kh\u1edbp v\u1edbi nhau, bi\u1ebfn ki\u1ebfn th\u1ee9c trong s\u00e1ch gi\u00e1o khoa th\u00e0nh ph\u1ea3n x\u1ea1 t\u1ef1 nhi\u00ean c\u1ee7a ch\u00ednh m\u00ecnh:<\/p>\n

        B\u01b0\u1edbc 1: Hi\u1ec3u b\u1ea3n ch\u1ea5t l\u00fd thuy\u1ebft tr\u01b0\u1edbc khi l\u00e0m b\u00e0i t\u1eadp<\/h3>\n
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          Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng h\u1ecdc v\u1eb9t c\u00f4ng th\u1ee9c nh\u01b0 h\u1ecdc v\u0103n m\u1eabu:<\/b> Sai l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a h\u1ecdc sinh l\u00e0 ch\u1ec9 nh\u00ecn l\u01b0\u1edbt qua khung c\u00f4ng th\u1ee9c in \u0111\u1eadm r\u1ed3i v\u1ed9i v\u00e3 m\u1edf ph\u1ea7n b\u00e0i t\u1eadp ra l\u00e0m ngay. Khi ch\u1ec9 ghi nh\u1edb m\u1eb7t ch\u1eef m\u00e0 kh\u00f4ng hi\u1ec3u \u00fd ngh\u0129a t\u1eebng \u0111\u1ea1i l\u01b0\u1ee3ng, con s\u1ebd r\u01a1i v\u00e0o th\u1ebf b\u1ecb \u0111\u1ed9ng ngay khi \u0111\u1ec1 b\u00e0i thay \u0111\u1ed5i ng\u1eef c\u1ea3nh.<\/p>\n<\/li>\n

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          T\u1ef1 \u0111\u1eb7t c\u00e2u h\u1ecfi cho b\u1ea3n th\u00e2n:<\/b><\/p>\n

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            <\/b>C\u00f4ng th\u1ee9c hay \u0111\u1ecbnh l\u00fd n\u00e0y b\u1eaft ngu\u1ed3n t\u1eeb \u0111\u00e2u, \u0111\u01b0\u1ee3c ch\u1ee9ng minh nh\u01b0 th\u1ebf n\u00e0o?<\/i><\/p>\n<\/li>\n

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            D\u1ea5u hi\u1ec7u n\u00e0o trong \u0111\u1ec1 b\u00e0i b\u00e1o hi\u1ec7u \u0111\u00e2y l\u00e0 l\u00fac c\u1ea7n \u00e1p d\u1ee5ng n\u00f3?<\/i><\/p>\n<\/li>\n

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            \u0110i\u1ec1u ki\u1ec7n r\u00e0ng bu\u1ed9c \u0111i k\u00e8m l\u00e0 g\u00ec?<\/i> (V\u00ed d\u1ee5: m\u1eabu s\u1ed1 ph\u1ea3i kh\u00e1c 0, bi\u1ec3u th\u1ee9c d\u01b0\u1edbi c\u0103n b\u1eadc hai ph\u1ea3i kh\u00f4ng \u00e2m). Vi\u1ec7c tr\u1ea3 l\u1eddi th\u1ea5u \u0111\u00e1o 3 c\u00e2u h\u1ecfi n\u00e0y gi\u00fap con n\u1eafm tr\u1ecdn v\u1eb9n “chi\u1ebfc ch\u00eca kh\u00f3a” tr\u01b0\u1edbc khi t\u00ecm c\u00e1ch m\u1edf \u1ed5 kh\u00f3a.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

            B\u01b0\u1edbc 2: Ph\u00e2n t\u00edch k\u1ef9 v\u00ed d\u1ee5 m\u1eabu trong s\u00e1ch gi\u00e1o khoa<\/h3>\n
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              Chi\u1ebfc “khung x\u01b0\u01a1ng” chu\u1ea9n m\u1ef1c c\u1ee7a l\u1eadp lu\u1eadn:<\/b> C\u00e1c v\u00ed d\u1ee5 m\u1eabu trong s\u00e1ch gi\u00e1o khoa kh\u00f4ng \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t l\u1eddi gi\u1ea3i, m\u00e0 l\u00e0 chu\u1ea9n m\u1ef1c s\u01b0 ph\u1ea1m v\u1ec1 ng\u00f4n ng\u1eef to\u00e1n h\u1ecdc, s\u1ef1 ch\u1eb7t ch\u1ebd trong suy lu\u1eadn v\u00e0 quy c\u00e1ch tr\u00ecnh b\u00e0y b\u00e0i thi. B\u1ecf qua v\u00ed d\u1ee5 m\u1eabu \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c t\u1ef1 t\u01b0\u1edbc \u0111i kim ch\u1ec9 nam \u0111\u1ecbnh h\u01b0\u1edbng l\u00e0m b\u00e0i.<\/p>\n<\/li>\n

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              Ph\u01b0\u01a1ng ph\u00e1p “che l\u1eddi gi\u1ea3i v\u00e0 \u0111\u1ed1i chi\u1ebfu”:<\/b> Thay v\u00ec \u0111\u1ecdc l\u01b0\u1edbt th\u1ee5 \u0111\u1ed9ng qua v\u00ed d\u1ee5 m\u1eabu, con h\u00e3y l\u1ea5y m\u1ed9t t\u1edd gi\u1ea5y che ph\u1ea7n l\u1eddi gi\u1ea3i l\u1ea1i, ch\u1ec9 \u0111\u1ec3 l\u1ea1i \u0111\u1ec1 b\u00e0i. Con t\u1ef1 \u0111\u1eb7t b\u00fat gi\u1ea3i ra nh\u00e1p, sau \u0111\u00f3 m\u1edf ph\u1ea7n gi\u1ea3i m\u1eabu \u0111\u1ec3 so s\u00e1nh t\u1eebng b\u01b0\u1edbc: D\u00f2ng n\u00e0y m\u00ecnh bi\u1ebfn \u0111\u1ed5i c\u00f3 th\u1eeba kh\u00f4ng? M\u00ecnh c\u00f3 thi\u1ebfu b\u01b0\u1edbc \u0111\u1eb7t \u0111i\u1ec1u ki\u1ec7n x\u00e1c \u0111\u1ecbnh nh\u01b0 s\u00e1ch gi\u00e1o khoa kh\u00f4ng?<\/i> Vi\u1ec7c \u0111\u1ed1i chi\u1ebfu t\u1eebng d\u00f2ng gi\u00fap con hi\u1ec3u s\u00e2u s\u1eafc d\u1ee5ng \u00fd c\u1ee7a ng\u01b0\u1eddi ra \u0111\u1ec1 v\u00e0 c\u00e1ch thi\u1ebft l\u1eadp m\u1ed9t b\u00e0i gi\u1ea3i tr\u1ecdn v\u1eb9n \u0111i\u1ec3m s\u1ed1.<\/p>\n<\/li>\n<\/ul>\n

              B\u01b0\u1edbc 3: T\u1ef1 luy\u1ec7n t\u1eadp t\u1eeb d\u1ec5 \u0111\u1ebfn kh\u00f3 (Kh\u00f4ng nh\u1ea3y c\u00f3c)<\/h3>\n
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                X\u00e2y m\u00f3ng ch\u1eafc ch\u1eafn tr\u01b0\u1edbc khi x\u00e2y l\u1ea7u cao:<\/b> Luy\u1ec7n t\u1eadp ph\u1ea3i tu\u00e2n theo l\u1ed9 tr\u00ecnh ph\u00e2n b\u1eadc: ho\u00e0n th\u00e0nh d\u1ee9t \u0111i\u1ec3m c\u00e1c b\u00e0i t\u1eadp m\u1ee9c \u0111\u1ed9 nh\u1eadn bi\u1ebft v\u00e0 th\u00f4ng hi\u1ec3u trong s\u00e1ch gi\u00e1o khoa, s\u00e1ch b\u00e0i t\u1eadp tr\u01b0\u1edbc khi th\u1eed s\u1ee9c v\u1edbi c\u00e1c b\u00e0i to\u00e1n v\u1eadn d\u1ee5ng v\u00e0 v\u1eadn d\u1ee5ng cao. Vi\u1ec7c v\u1ed9i v\u00e0ng lao v\u00e0o c\u00e1c b\u00e0i to\u00e1n ph\u00e2n lo\u1ea1i \u0111i\u1ec3m 9, 10 khi b\u00e0i c\u01a1 b\u1ea3n ch\u01b0a th\u00f4ng th\u1ea1o ch\u1ec9 l\u00e0m gia t\u0103ng s\u1ef1 hoang mang v\u00e0 b\u00e0o m\u00f2n ni\u1ec1m tin h\u1ecdc t\u1eadp.<\/p>\n<\/li>\n

              • \n

                H\u00ecnh th\u00e0nh th\u00f3i quen k\u1ef7 lu\u1eadt khi l\u00e0m b\u00e0i:<\/b> Khi \u0111\u1ecdc \u0111\u1ec1, lu\u00f4n c\u1ea7m b\u00fat ch\u00ec g\u1ea1ch ch\u00e2n d\u01b0\u1edbi c\u00e1c t\u1eeb kh\u00f3a quan tr\u1ecdng v\u00e0 d\u1eef ki\u1ec7n then ch\u1ed1t \u0111\u1ec3 kh\u00f4ng \u0111\u1ecdc s\u00f3t \u0111\u1ec1 b\u00e0i. R\u00e8n luy\u1ec7n s\u1ef1 c\u1ea9n tr\u1ecdng trong t\u1eebng ph\u00e9p t\u00ednh trung gian ra gi\u1ea5y nh\u00e1p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o: l\u00e0m \u0111\u1ebfn \u0111\u00e2u ch\u1eafc \u0111i\u1ec3m \u0111\u1ebfn \u0111\u00f3, tri\u1ec7t ti\u00eau t\u1ed1i \u0111a c\u00e1c l\u1ed7i t\u00ednh to\u00e1n sai s\u1ed1 hay nh\u1ea7m d\u1ea5u.<\/p>\n<\/li>\n<\/ul>\n

                B\u01b0\u1edbc 4: Ch\u1eefa l\u1ed7i sai v\u00e0 x\u00e2y d\u1ef1ng “S\u1ed5 tay l\u1ed7i sai” (Mistake Notebook)<\/h3>\n
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                • \n

                  Kho b\u00e1u n\u1eb1m \u1edf nh\u1eefng c\u00e2u l\u00e0m sai:<\/b> Gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t c\u1ee7a qu\u00e1 tr\u00ecnh luy\u1ec7n b\u00e0i t\u1eadp kh\u00f4ng n\u1eb1m \u1edf nh\u1eefng c\u00e2u l\u00e0m \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u, m\u00e0 n\u1eb1m ch\u00ednh \u1edf nh\u1eefng b\u00e0i l\u00e0m sai. M\u1ed9t b\u00e0i to\u00e1n b\u1ecb tr\u1eeb \u0111i\u1ec3m ch\u00ednh l\u00e0 t\u00edn hi\u1ec7u ch\u1ec9 ra m\u1ed9t m\u1eaft x\u00edch ki\u1ebfn th\u1ee9c ho\u1eb7c k\u1ef9 n\u0103ng t\u00ednh to\u00e1n c\u1ee7a con \u0111ang c\u00f3 v\u1ea5n \u0111\u1ec1.<\/p>\n<\/li>\n

                • \n

                  Quy t\u1eafc ghi ch\u00e9p s\u1ed5 tay l\u1ed7i sai:<\/b> H\u00e3y chu\u1ea9n b\u1ecb m\u1ed9t cu\u1ed1n s\u1ed5 ri\u00eang, chia r\u00f5 b\u1ed1 c\u1ee5c cho t\u1eebng b\u00e0i l\u00e0m sai:<\/p>\n

                    \n
                  1. \n

                    Ch\u00e9p l\u1ea1i \u0111\u1ec1 b\u00e0i:<\/i> \u0110\u1ea7y \u0111\u1ee7 d\u1eef ki\u1ec7n v\u00e0 y\u00eau c\u1ea7u.<\/p>\n<\/li>\n

                  2. \n

                    Ghi ch\u00fa nguy\u00ean nh\u00e2n sai b\u1eb1ng b\u00fat m\u00e0u n\u1ed5i b\u1eadt:<\/i> Sai do nh\u1ea7m d\u1ea5u \u00e2m – d\u01b0\u01a1ng, do qu\u00ean \u0111i\u1ec1u ki\u1ec7n x\u00e1c \u0111\u1ecbnh hay do hi\u1ec3u sai b\u1ea3n ch\u1ea5t c\u00e2u h\u1ecfi?<\/p>\n<\/li>\n

                  3. \n

                    T\u1ef1 tay gi\u1ea3i l\u1ea1i ho\u00e0n ch\u1ec9nh:<\/i> \u0110\u00f3ng t\u00e0i li\u1ec7u l\u1ea1i v\u00e0 t\u1ef1 m\u00ecnh tr\u00ecnh b\u00e0y l\u1ea1i l\u1eddi gi\u1ea3i chu\u1ea9n x\u00e1c t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i. \u0110\u1ecdc l\u1ea1i cu\u1ed1n s\u1ed5 n\u00e0y tr\u01b0\u1edbc m\u1ed7i k\u1ef3 thi mang l\u1ea1i hi\u1ec7u qu\u1ea3 \u00f4n t\u1eadp g\u1ea5p nhi\u1ec1u l\u1ea7n vi\u1ec7c gi\u1ea3i th\u00eam \u0111\u1ec1 m\u1edbi.<\/p>\n<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n

                    B\u01b0\u1edbc 5: \u00d4n t\u1eadp ng\u1eaft qu\u00e3ng (Spaced Repetition) v\u00e0 t\u1ef1 ki\u1ec3m tra<\/h3>\n
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                    • \n

                      Quy t\u1eafc \u00f4n t\u1eadp ng\u1eaft qu\u00e3ng ch\u1ed1ng l\u1ea1i s\u1ef1 qu\u00ean l\u00e3ng:<\/b> N\u00e3o b\u1ed9 con ng\u01b0\u1eddi tu\u00e2n theo \u0111\u01b0\u1eddng cong qu\u00ean l\u00e3ng; ki\u1ebfn th\u1ee9c m\u1edbi n\u1ea1p s\u1ebd nhanh ch\u00f3ng r\u01a1i r\u1ee5ng n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t l\u1ea1i. H\u00e3y thi\u1ebft l\u1eadp chu k\u1ef3 \u00f4n t\u1eadp ng\u1eaft qu\u00e3ng khoa h\u1ecdc: xem l\u1ea1i sau 1 ng\u00e0y, gi\u1ea3i l\u1ea1i m\u1ed9t b\u00e0i t\u01b0\u01a1ng t\u1ef1 sau 3 ng\u00e0y,\u00a0t\u1ed5ng h\u1ee3p l\u1ea1i to\u00e0n b\u1ed9 chuy\u00ean \u0111\u1ec1 sau 1 tu\u1ea7n.<\/p>\n<\/li>\n

                    • \n

                      M\u00f4 ph\u1ecfng \u00e1p l\u1ef1c ph\u00f2ng thi:<\/b> Khi \u0111\u00e3 n\u1eafm ch\u1eafc c\u00e1c d\u1ea1ng b\u00e0i, con h\u00e3y t\u1ef1 t\u1ea1o cho m\u00ecnh nh\u1eefng b\u00e0i ki\u1ec3m tra mini t\u1ea1i nh\u00e0 (15 ph\u00fat ho\u1eb7c 45 ph\u00fat). T\u1ef1 b\u1ea5m gi\u1edd nghi\u00eam t\u00fac, kh\u00f4ng s\u1eed d\u1ee5ng s\u00e1ch v\u1edf hay \u0111i\u1ec7n tho\u1ea1i. Vi\u1ec7c \u0111\u1ed1i m\u1eb7t v\u1edbi \u00e1p l\u1ef1c th\u1eddi gian \u0111\u1ecbnh k\u1ef3 gi\u00fap con r\u00e8n luy\u1ec7n t\u00e2m l\u00fd v\u1eefng v\u00e0ng, ph\u00e2n b\u1ed5 th\u1eddi gian h\u1ee3p l\u00fd v\u00e0 l\u00e0m ch\u1ee7 ph\u00f2ng thi th\u1ef1c t\u1ebf.<\/p>\n<\/li>\n<\/ul>\n

                      H\u1ecdc l\u00fd thuy\u1ebft th\u1ebf n\u00e0o \u0111\u1ec3 kh\u00f4ng r\u01a1i v\u00e0o b\u1eaby “h\u1ecdc v\u1eb9t”?<\/strong><\/h2>\n
                      \"\u00c1p
                      \u00c1p d\u1ee5ng 3 ph\u01b0\u01a1ng ph\u00e1p ghi nh\u1edb ch\u1ee7 \u0111\u1ed9ng khi h\u1ecdc l\u00fd thuy\u1ebft To\u00e1n gi\u00fap h\u1ecdc sinh hi\u1ec3u s\u00e2u nh\u1edb l\u00e2u h\u01a1n<\/figcaption><\/figure>\n

                      H\u1ecdc v\u1eb9t trong m\u00f4n To\u00e1n l\u00e0 con \u0111\u01b0\u1eddng ng\u1eafn nh\u1ea5t d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng h\u1ecdc tr\u01b0\u1edbc qu\u00ean sau v\u00e0 b\u1ebf t\u1eafc khi g\u1eb7p \u0111\u1ec1 thi bi\u1ebfn t\u1ea5u. \u0110\u1ec3 l\u00fd thuy\u1ebft kh\u00f4ng c\u00f2n l\u00e0 nh\u1eefng c\u00f4ng th\u1ee9c kh\u00f4 khan n\u1eb1m tr\u01a1 tr\u1ecdi tr\u00ean trang s\u00e1ch, h\u1ecdc sinh c\u1ea7n \u00e1p d\u1ee5ng 3 ph\u01b0\u01a1ng ph\u00e1p ghi nh\u1edb ch\u1ee7 \u0111\u1ed9ng v\u00e0 g\u1eafn li\u1ec1n v\u1edbi t\u01b0 duy logic d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n

                      1. S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 t\u01b0 duy (Mindmap) ho\u1eb7c Flashcard c\u00f4ng th\u1ee9c<\/h3>\n
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                      • \n

                        Thu nh\u1ecf to\u00e0n b\u1ed9 ch\u01b0\u01a1ng h\u1ecdc tr\u00ean m\u1ed9t trang gi\u1ea5y:<\/b> Thay v\u00ec \u0111\u1ecdc \u0111i \u0111\u1ecdc l\u1ea1i t\u1eebng trang s\u00e1ch gi\u00e1o khoa d\u00e0y \u0111\u1eb7c ch\u1eef, h\u00e3y t\u1ef1 tay v\u1ebd s\u01a1 \u0111\u1ed3 t\u01b0 duy (Mindmap) sau khi k\u1ebft th\u00fac m\u1ed7i chuy\u00ean \u0111\u1ec1. \u0110\u1eb7t t\u00ean ch\u1ee7 \u0111\u1ec1 l\u1edbn \u1edf v\u1ecb tr\u00ed trung t\u00e2m, t\u1eeb \u0111\u00f3 r\u1ebd nh\u00e1nh ra c\u00e1c \u0111\u1ecbnh ngh\u0129a, t\u00ednh ch\u1ea5t, h\u1ec7 qu\u1ea3 v\u00e0 c\u00e1c c\u00f4ng th\u1ee9c li\u00ean quan. Vi\u1ec7c nh\u00ecn th\u1ea5y b\u1ee9c tranh t\u1ed5ng quan gi\u00fap n\u00e3o b\u1ed9 d\u1ec5 d\u00e0ng li\u00ean k\u1ebft c\u00e1c m\u1eaft x\u00edch ki\u1ebfn th\u1ee9c l\u1ea1i v\u1edbi nhau thay v\u00ec nh\u1edb r\u1eddi r\u1ea1c.<\/p>\n<\/li>\n

                      • \n

                        T\u1eadn d\u1ee5ng Flashcard \u0111\u1ec3 k\u00edch ho\u1ea1t ph\u1ea3n x\u1ea1:<\/b> V\u1edbi c\u00e1c c\u00f4ng th\u1ee9c c\u00f3 nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n r\u00e0ng bu\u1ed9c ho\u1eb7c d\u1ec5 nh\u1ea7m l\u1eabn (nh\u01b0 c\u00e1c h\u1eb1ng \u0111\u1eb3ng th\u1ee9c \u0111\u00e1ng nh\u1edb, c\u00f4ng th\u1ee9c t\u00ednh th\u1ec3 t\u00edch, di\u1ec7n t\u00edch hay quy t\u1eafc x\u00e9t d\u1ea5u), h\u00e3y ghi m\u1eb7t tr\u01b0\u1edbc l\u00e0 t\u00ean c\u00f4ng th\u1ee9c\/d\u1ea1ng b\u00e0i, m\u1eb7t sau l\u00e0 c\u00f4ng th\u1ee9c chu\u1ea9n c\u00f9ng \u0111i\u1ec1u ki\u1ec7n \u00e1p d\u1ee5ng. L\u1eadt m\u1edf v\u00e0 t\u1ef1 ki\u1ec3m tra m\u1ed7i ng\u00e0y s\u1ebd bi\u1ebfn c\u00e1c c\u00f4ng th\u1ee9c n\u00e0y th\u00e0nh ph\u1ea3n x\u1ea1 t\u1ef1 nhi\u00ean c\u1ee7a n\u00e3o b\u1ed9.<\/p>\n<\/li>\n<\/ul>\n

                        2. K\u1ef9 thu\u1eadt Feynman: Gi\u1ea3ng l\u1ea1i cho ng\u01b0\u1eddi kh\u00e1c hi\u1ec3u b\u1eb1ng ng\u00f4n ng\u1eef \u0111\u1eddi th\u01b0\u1eddng<\/h3>\n
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                        • \n

                          Th\u01b0\u1edbc \u0111o chu\u1ea9n x\u00e1c nh\u1ea5t c\u1ee7a s\u1ef1 th\u1ea5u hi\u1ec3u:<\/b> K\u1ef9 thu\u1eadt h\u1ecdc t\u1eadp n\u1ed5i ti\u1ebfng c\u1ee7a nh\u00e0 v\u1eadt l\u00fd Richard Feynman ch\u1ec9 ra r\u1eb1ng: B\u1ea1n ch\u1ec9 th\u1ef1c s\u1ef1 hi\u1ec3u m\u1ed9t v\u1ea5n \u0111\u1ec1 khi c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch l\u1ea1i v\u1ea5n \u0111\u1ec1 \u0111\u00f3 cho m\u1ed9t ng\u01b0\u1eddi ch\u01b0a bi\u1ebft g\u00ec hi\u1ec3u \u0111\u01b0\u1ee3c.<\/p>\n<\/li>\n

                        • \n

                          T\u1ef1 \u0111\u00f3ng vai “ng\u01b0\u1eddi th\u1ea7y”:<\/b> H\u00e3y th\u1eed t\u1ef1 \u0111\u1ee9ng tr\u01b0\u1edbc g\u01b0\u01a1ng, gi\u1ea3ng l\u1ea1i m\u1ed9t \u0111\u1ecbnh l\u00fd h\u00ecnh h\u1ecdc ho\u1eb7c c\u00e1c b\u01b0\u1edbc gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh cho m\u1ed9t ng\u01b0\u1eddi b\u1ea1n, ba m\u1eb9 ho\u1eb7c ch\u00ednh b\u1ea3n th\u00e2n nghe m\u00e0 kh\u00f4ng nh\u00ecn v\u00e0o s\u00e1ch v\u1edf. Trong qu\u00e1 tr\u00ecnh gi\u1ea3i th\u00edch b\u1eb1ng ng\u00f4n ng\u1eef \u0111\u1eddi th\u01b0\u1eddng, n\u1ebfu b\u1ea1n b\u1ecb v\u1ea5p, ng\u1eadp ng\u1eebng ho\u1eb7c kh\u00f4ng bi\u1ebft v\u00ec sao l\u1ea1i c\u00f3 b\u01b0\u1edbc bi\u1ebfn \u0111\u1ed5i \u0111\u00f3, th\u00ec ch\u00ednh \u0111i\u1ec3m v\u1ea5p \u1ea5y l\u00e0 “l\u1ed7 h\u1ed5ng” b\u1ea1n ch\u01b0a th\u1ef1c s\u1ef1 hi\u1ec3u s\u00e2u. Vi\u1ec7c quay l\u1ea1i s\u00e1ch \u0111\u1ec3 l\u00e0m r\u00f5 ch\u1ed7 v\u1ea5p \u0111\u00f3 s\u1ebd gi\u00fap b\u1ea1n n\u1eafm ch\u1eafc b\u1ea3n ch\u1ea5t b\u00e0i h\u1ecdc m\u1ed9t c\u00e1ch tuy\u1ec7t \u0111\u1ed1i.<\/p>\n<\/li>\n<\/ul>\n

                          3. Li\u00ean k\u1ebft v\u1edbi ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng \u0111\u00e3 h\u1ecdc<\/h3>\n
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                          • \n

                            \u0110\u1eb7t c\u00f4ng th\u1ee9c m\u1edbi c\u1ea1nh c\u00f4ng th\u1ee9c c\u0169:<\/b> To\u00e1n h\u1ecdc lu\u00f4n mang t\u00ednh k\u1ebf th\u1eeba s\u00e2u s\u1eafc. M\u1ed7i khi ti\u1ebfp c\u1eadn m\u1ed9t ki\u1ebfn th\u1ee9c m\u1edbi, \u0111\u1eebng xem n\u00f3 l\u00e0 m\u1ed9t \u1ed1c \u0111\u1ea3o \u0111\u1ed9c l\u1eadp. H\u00e3y \u0111\u1eb7t c\u00e2u h\u1ecfi: Ki\u1ebfn th\u1ee9c n\u00e0y li\u00ean quan g\u00ec \u0111\u1ebfn nh\u1eefng b\u00e0i m\u00ecnh \u0111\u00e3 h\u1ecdc \u1edf l\u1edbp d\u01b0\u1edbi?<\/i><\/p>\n<\/li>\n

                          • \n

                            Nh\u1eadn di\u1ec7n quy lu\u1eadt logic v\u00e0 t\u00ednh t\u01b0\u01a1ng \u0111\u1ed3ng:<\/b><\/p>\n

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                              Khi h\u1ecdc v\u1ec1 ph\u00e9p nh\u00e2n, chia ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 \u1edf l\u1edbp 8, h\u00e3y \u0111\u1ed1i chi\u1ebfu ngay v\u1edbi quy t\u1eafc nh\u00e2n, chia ph\u00e2n s\u1ed1 \u0111\u00e3 h\u1ecdc \u1edf l\u1edbp 4, l\u1edbp 5 – b\u1ea3n ch\u1ea5t c\u00e1c b\u01b0\u1edbc r\u00fat g\u1ecdn v\u00e0 bi\u1ebfn \u0111\u1ed5i l\u00e0 ho\u00e0n to\u00e0n t\u01b0\u01a1ng t\u1ef1.<\/p>\n<\/li>\n

                            • \n

                              Khi h\u1ecdc c\u00f4ng th\u1ee9c t\u00ednh th\u1ec3 t\u00edch h\u00ecnh l\u0103ng tr\u1ee5 \u0111\u1ee9ng hay h\u00ecnh ch\u00f3p, h\u00e3y li\u00ean h\u1ec7 v\u1edbi di\u1ec7n t\u00edch tam gi\u00e1c v\u00e0 h\u00ecnh ch\u00f3p tam gi\u00e1c \u0111\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c s\u1ee3i d\u00e2y logic xuy\u00ean su\u1ed1t. Khi nh\u1eadn ra quy lu\u1eadt k\u1ebf th\u1eeba, b\u1ea1n s\u1ebd th\u1ea5y l\u01b0\u1ee3ng ki\u1ebfn th\u1ee9c c\u1ea7n ghi nh\u1edb th\u1ef1c ch\u1ea5t \u00edt \u0111i r\u1ea5t nhi\u1ec1u, b\u1edfi c\u00f4ng th\u1ee9c m\u1edbi ch\u1ec9 l\u00e0 s\u1ef1 n\u00e2ng c\u1ea5p t\u1ef1 nhi\u00ean t\u1eeb n\u1ec1n t\u1ea3ng c\u0169 m\u00e0 b\u1ea1n v\u1ed1n \u0111\u00e3 th\u00f4ng th\u1ea1o.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                              Luy\u1ec7n b\u00e0i t\u1eadp ra sao \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a th\u1eddi gian v\u00e0 t\u01b0 duy?<\/strong><\/h2>\n
                              \"\u00c1p
                              \u00c1p d\u1ee5ng 3 ph\u01b0\u01a1ng ph\u00e1p ghi nh\u1edb ch\u1ee7 \u0111\u1ed9ng khi h\u1ecdc l\u00fd thuy\u1ebft To\u00e1n gi\u00fap h\u1ecdc sinh hi\u1ec3u s\u00e2u nh\u1edb l\u00e2u h\u01a1n<\/figcaption><\/figure>\n

                              Luy\u1ec7n b\u00e0i t\u1eadp kh\u00f4ng ph\u1ea3i l\u00e0 h\u00e0nh \u0111\u1ed9ng c\u1eafm \u0111\u1ea7u gi\u1ea3i c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t, m\u00e0 l\u00e0 qu\u00e1 tr\u00ecnh r\u00e8n luy\u1ec7n \u0111\u1ec3 bi\u1ebfn l\u00fd thuy\u1ebft th\u00e0nh k\u1ef9 n\u0103ng ph\u1ea3n x\u1ea1. \u0110\u1ec3 m\u1ed7i gi\u1edd ng\u1ed3i b\u00ean b\u00e0n h\u1ecdc mang l\u1ea1i hi\u1ec7u qu\u1ea3 g\u1ea5p \u0111\u00f4i m\u00e0 kh\u00f4ng t\u1ed1n c\u00f4ng s\u1ee9c v\u00f4 \u00edch, h\u1ecdc sinh c\u1ea7n \u00e1p d\u1ee5ng \u0111\u00fang 3 k\u1ef9 thu\u1eadt luy\u1ec7n t\u1eadp d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n

                              1. Nguy\u00ean t\u1eafc “l\u1eb7p l\u1ea1i 3 l\u1ea7n” – Bi\u1ebfn ph\u01b0\u01a1ng ph\u00e1p c\u1ee7a th\u1ea7y th\u00e0nh c\u1ee7a m\u00ecnh<\/h3>\n

                              Thay v\u00ec l\u00e0m qua loa m\u1ed9t l\u1ea7n r\u1ed3i b\u1ecf x\u00f3, vi\u1ec7c x\u1eed l\u00fd m\u1ed9t b\u00e0i to\u00e1n theo quy tr\u00ecnh 3 b\u01b0\u1edbc l\u1eb7p l\u1ea1i c\u00f3 ch\u1ee7 \u0111\u00edch s\u1ebd kh\u1eafc s\u00e2u \u0111\u01b0\u1eddng m\u00f2n t\u01b0 duy trong n\u00e3o b\u1ed9:<\/p>\n

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                                L\u1ea7n 1: T\u1ef1 l\u1ef1c l\u00e0m \u0111\u1ed9c l\u1eadp trong gi\u1edbi h\u1ea1n th\u1eddi gian:<\/b> \u0110\u1eb7t \u0111\u1ed3ng h\u1ed3 b\u1ea5m gi\u1edd (kho\u1ea3ng 10-15 ph\u00fat cho m\u1ed9t b\u00e0i t\u1eadp trung b\u00ecnh). Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng m\u1edf s\u00e1ch gi\u1ea3i, kh\u00f4ng tra c\u1ee9u m\u1ea1ng hay h\u1ecfi ng\u01b0\u1eddi kh\u00e1c. D\u00f9 l\u00e0m sai hay b\u1ebf t\u1eafc, con c\u0169ng ph\u1ea3i \u00e9p n\u00e3o b\u1ed9 t\u1ef1 v\u1eadn \u0111\u1ed9ng, t\u1ef1 k\u1ebft n\u1ed1i c\u00e1c d\u1eef ki\u1ec7n \u0111\u1ec3 t\u00ecm l\u1ed1i ra b\u1eb1ng ch\u00ednh s\u1ee9c m\u00ecnh.<\/p>\n<\/li>\n

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                                L\u1ea7n 2: \u0110\u1ed1i chi\u1ebfu \u0111\u00e1p \u00e1n v\u00e0 \u0111\u1ecbnh v\u1ecb “\u0111i\u1ec3m g\u00e3y” t\u01b0 duy:<\/b> M\u1edf l\u1eddi gi\u1ea3i chu\u1ea9n \u0111\u1ec3 so s\u00e1nh t\u1eebng b\u01b0\u1edbc. Kh\u00f4ng ch\u1ec9 xem \u0111\u00e1p s\u1ed1 \u0111\u00fang hay sai, con c\u1ea7n soi chi\u1ebfu xem t\u01b0 duy c\u1ee7a m\u00ecnh b\u1ecb ngh\u1ebdn \u1edf d\u00f2ng n\u00e0o: Do m\u00ecnh kh\u00f4ng nh\u00ecn ra t\u00ednh ch\u1ea5t h\u00ecnh h\u1ecdc \u1ea9n? Do m\u00ecnh bi\u1ebfn \u0111\u1ed5i sai d\u1ea5u? Hay do m\u00ecnh \u00e1p d\u1ee5ng sai \u0111i\u1ec1u ki\u1ec7n c\u1ee7a c\u00f4ng th\u1ee9c?<\/i> Vi\u1ec7c t\u00ecm ra ch\u00ednh x\u00e1c m\u1eaft x\u00edch b\u1ecb \u0111\u1ee9t n\u00e0y c\u00f3 gi\u00e1 tr\u1ecb g\u1ea5p nhi\u1ec1u l\u1ea7n vi\u1ec7c l\u00e0m th\u00eam 5 b\u00e0i to\u00e1n m\u1edbi.<\/p>\n<\/li>\n

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                                L\u1ea7n 3: T\u1ef1 tay l\u00e0m l\u1ea1i t\u1eeb \u0111\u1ea7u sau 48 gi\u1edd:<\/b> Sau 2 ng\u00e0y, khi nh\u1eefng k\u00fd \u1ee9c ng\u1eafn h\u1ea1n v\u1ec1 b\u00e0i gi\u1ea3i m\u1eabu \u0111\u00e3 m\u1edd \u0111i, h\u00e3y l\u1ea5y l\u1ea1i \u0111\u1ec1 b\u00e0i v\u00e0 t\u1ef1 tay tr\u00ecnh b\u00e0y l\u1ea1i t\u1eeb \u0111\u1ea7u tr\u00ean m\u1ed9t trang gi\u1ea5y tr\u1eafng. N\u1ebfu l\u1ea7n n\u00e0y con t\u1ef1 gi\u1ea3i tr\u01a1n tru m\u00e0 kh\u00f4ng c\u1ea7n b\u1ea5t k\u1ef3 s\u1ef1 tr\u1ee3 gi\u00fap n\u00e0o, ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i \u0111\u00f3 m\u1edbi ch\u00ednh th\u1ee9c tr\u1edf th\u00e0nh ph\u1ea3n x\u1ea1 t\u01b0 duy c\u1ee7a ri\u00eang con.<\/p>\n<\/li>\n<\/ul>\n

                                2. K\u1ef9 n\u0103ng s\u1eed d\u1ee5ng gi\u1ea5y nh\u00e1p khoa h\u1ecdc: Ch\u1ea5m d\u1ee9t th\u00f3i quen l\u00e0m \u1ea9u<\/h3>\n
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                                  Quy t\u1eafc chia \u0111\u00f4i trang gi\u1ea5y nh\u00e1p:<\/b> R\u1ea5t nhi\u1ec1u h\u1ecdc sinh c\u00f3 th\u00f3i quen vi\u1ebft nh\u00e1p ngu\u1ec7ch ngo\u1ea1c, g\u00f3c n\u00e0y m\u1ed9t ph\u00e9p t\u00ednh, g\u00f3c kia m\u1ed9t con s\u1ed1, d\u1eabn \u0111\u1ebfn vi\u1ec7c nh\u00ecn nh\u1ea7m s\u1ed1 li\u1ec7u c\u1ee7a ch\u00ednh m\u00ecnh. H\u00e3y k\u1ebb m\u1ed9t \u0111\u01b0\u1eddng d\u1ecdc chia \u0111\u00f4i trang gi\u1ea5y nh\u00e1p; vi\u1ebft c\u00e1c b\u01b0\u1edbc gi\u1ea3i theo th\u1ee9 t\u1ef1 t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi, t\u1eeb c\u1ed9t tr\u00e1i sang c\u1ed9t ph\u1ea3i m\u1ed9t c\u00e1ch tu\u1ea7n t\u1ef1.<\/p>\n<\/li>\n

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                                  Vi\u1ebft r\u00f5 c\u00e1c b\u01b0\u1edbc bi\u1ebfn \u0111\u1ed5i, kh\u00f4ng t\u00ednh nh\u1ea9m t\u1eaft:<\/b> \u0110\u1eebng v\u00ec ti\u1ec7n tay m\u00e0 b\u1ecf qua c\u00e1c b\u01b0\u1edbc trung gian quan tr\u1ecdng. Vi\u1ec7c ghi ch\u00e9p nh\u00e1p g\u00e3y g\u1ecdn, th\u1eb3ng h\u00e0ng kh\u00f4ng ch\u1ec9 gi\u00fap tri\u1ec7t ti\u00eau c\u00e1c l\u1ed7i nh\u1ea7m d\u1ea5u, sai ph\u00e9p t\u00ednh m\u00e0 c\u00f2n gi\u00fap con d\u1ec5 d\u00e0ng r\u00e0 so\u00e1t l\u1ea1i to\u00e0n b\u1ed9 b\u00e0i l\u00e0m ch\u1ec9 trong v\u00f2ng 30 gi\u00e2y khi ki\u1ec3m tra b\u00e0i thi.<\/p>\n<\/li>\n<\/ul>\n

                                  3. H\u1ecdc s\u00e2u m\u1ed9t d\u1ea1ng b\u00e0i thay v\u00ec l\u01b0\u1edbt qua nhi\u1ec1u d\u1ea1ng<\/h3>\n
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                                    \u0110\u1ed9 s\u00e2u ki\u1ebfn th\u01b0\u1edbc h\u1eefu \u00edch h\u01a1n vi\u1ec7c c\u01b0\u1ee1i ng\u1ef1a xem hoa:<\/b> R\u1ea5t nhi\u1ec1u h\u1ecdc sinh th\u00edch s\u01b0u t\u1ea7m h\u00e0ng ch\u1ee5c d\u1ea1ng b\u00e0i kh\u00e1c nhau nh\u01b0ng m\u1ed7i d\u1ea1ng ch\u1ec9 l\u00e0m l\u01b0\u1edbt qua 1-2 c\u00e2u r\u1ed3i chuy\u1ec3n ti\u1ebfp. C\u00e1ch h\u1ecdc h\u1eddi h\u1ee3t n\u00e0y khi\u1ebfn con r\u01a1i v\u00e0o t\u00ecnh tr\u1ea1ng “d\u1ea1ng n\u00e0o c\u0169ng bi\u1ebft m\u1ed9t ch\u00fat nh\u01b0ng g\u1eb7p \u0111\u1ec1 thi l\u00e0 t\u1eafc”.<\/p>\n<\/li>\n

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                                    N\u1eafm v\u1eefng c\u1ea5u tr\u00fac nh\u1eadn di\u1ec7n \u0111\u1eb7c tr\u01b0ng:<\/b> V\u1edbi m\u1ed7i d\u1ea1ng b\u00e0i, h\u00e3y luy\u1ec7n t\u1eadp li\u00ean t\u1ee5c t\u1eeb 4-5 b\u00e0i v\u1edbi c\u00e1c m\u1ee9c \u0111\u1ed9 bi\u1ebfn \u0111\u1ed5i kh\u00e1c nhau cho \u0111\u1ebfn khi thu\u1ea7n th\u1ee5c:<\/p>\n