L\u00f4 \u0111\u1ec1 l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c c\u00e1 c\u01b0\u1ee3c c\u00f3 s\u1ee9c h\u00fat v\u00f4 c\u00f9ng l\u1edbn \u0111\u1ed1i v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i. Ng\u01b0\u1eddi ta ch\u01a1i l\u00f4 \u0111\u1ec1 l\u00e0 v\u00ec mu\u1ed1n th\u1eed v\u1eadn may, mu\u1ed1n gi\u1ea3i t\u1ecfa t\u00e2m tr\u1ea1ng, v\u00e0 ph\u1ea7n nhi\u1ec1u l\u00e0 ch\u01a1i v\u00ec mu\u1ed1n chi\u1ebfn th\u1eafng. V\u1eady b\u1ea1n \u0111\u00e3 bi\u1ebft c\u00e1ch chi\u1ebfn th\u1eafng nh\u00e0 c\u00e1i l\u00f4 \u0111\u1ec1 mi\u1ec1n B\u1eafc chu\u1ea9n x\u00e1c nh\u1ea5t ch\u01b0a? N\u1ebfu ch\u01b0a h\u00e3y \u0111\u1ec3 b\u1eadt m\u00ed cho b\u1ea1n m\u1ed9t \u201cv\u0169 kh\u00ed\u201d v\u00f4 c\u00f9ng l\u1ee3i h\u1ea1i \u2013 <\/span>c\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 mi\u1ec1n B\u1eafc \u201csi\u00eau nhanh, si\u00eau chu\u1ea9n\u201d. <\/span><\/p>\n B\u1eaft c\u1ea7u \u0111\u1ec1 nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 nhanh ph\u00e1t t\u00e0i?<\/span><\/i><\/p>\n N\u1ebfu b\u1ea1n l\u00e0 m\u1ed9t d\u00e2n ch\u01a1i l\u00f4 \u0111\u1ec1 th\u00ec ch\u1eafc h\u1eb3n b\u1ea1n \u0111\u1ec1u r\u00f5 m\u1ed9t \u0111i\u1ec1u. \u0110\u00f3 l\u00e0 \u0111\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c c\u1ea7u \u0111\u1ec1 b\u1ea1ch th\u1ee7 qu\u1ea3 tr\u00e1m l\u00e0 r\u1ea5t kh\u00f3. C\u1ea7u \u0111\u1ec1 n\u00e0y th\u01b0\u1eddng r\u1ea5t hi\u1ebfm khi xu\u1ea5t hi\u1ec7n, B\u1edfi th\u1ebf. kh\u00f4ng ph\u1ea3i ai c\u0169ng may m\u1eafn b\u1eaft \u0111\u01b0\u1ee3c c\u1ea7u \u0111\u1ec1 n\u00e0y \u0111\u00e2u.<\/span><\/p>\n Th\u1ebf nh\u01b0ng b\u00f9 l\u1ea1i \u0111i\u1ec1u n\u00e0y, n\u1ebfu m\u1ed9t khi c\u1ea7u b\u1ea1ch th\u1ee7 ki\u1ec3u qu\u1ea3 tr\u00e1m xu\u1ea5t hi\u1ec7n th\u00ec 90% b\u1ea1n s\u1ebd th\u1eafng c\u01b0\u1ee3c ch\u1eafc ch\u1eafn. Trong 10% c\u00f2n l\u1ea1i ch\u1ec9 c\u00f3 2% l\u00e0 \u0111\u00e1nh tr\u01b0\u1ee3t c\u00f2n 8% l\u00e0 v\u00e0o k\u1ebft qu\u1ea3 l\u1ed9n. Ch\u00ednh v\u00ec v\u1eady, n\u1ebfu b\u1ea1n may m\u1eafn b\u1eaft \u0111\u01b0\u1ee3c c\u1ea7u \u0111\u1ec1 b\u1ea1ch th\u1ee7 ki\u1ec3u qu\u1ea3 tr\u00e1m n\u00e0y th\u00ec h\u00e3y t\u1eadn d\u1ee5ng v\u1eadn may th\u1eadt t\u1ed1t nh\u00e9.<\/span><\/p>\n C\u00f2n sau \u0111\u00e2y, s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft cho b\u1ea1n <\/span>c\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 chu\u1ea9n x\u00e1c <\/i><\/b>nh\u1ea5t cho b\u1ea1ch th\u1ee7 \u201cqu\u1ea3 tr\u00e1m\u201d. <\/span><\/p>\n Sau khi b\u1eaft \u0111\u01b0\u1ee3c c\u1ea7u \u0111\u1ec1 b\u1ea1ch th\u1ee7 qu\u1ea3 tr\u00e1m b\u00e9o b\u1edf, b\u1ea1n h\u00e3y ghi nh\u1edb 2 s\u1ed1 A v\u00e0 B. Trong hai ng\u00e0y ti\u1ebfp theo b\u1ea1n h\u00e3y \u0111\u00e1nh s\u1ed1 \u0111\u1ec1 BA th\u00ec th\u1ec3 n\u00e0o b\u1ea1n c\u0169ng gi\u00e0nh \u0111\u01b0\u1ee3c s\u1ed1 ti\u1ec1n c\u01b0\u1ee3c l\u1edbn. Tuy nhi\u00ean n\u1ebfu b\u1ea1n mu\u1ed1n ph\u00f2ng tr\u1eeb tr\u01b0\u1eddng h\u1ee3p 8% l\u1ed9n s\u1ed1 th\u00ec h\u00e3y \u0111\u00e1nh c\u1ea3 s\u1ed1 \u0111\u1ec1 AB nh\u00e9.<\/span><\/p>\n B\u1eaft c\u1ea7u \u0111\u1ec1 mi\u1ec1n B\u1eafc <\/i><\/b>theo \u0111\u1ec1 ch\u1ea1m 8 tu\u1ea7n l\u00e0 <\/span>c\u00e1ch b\u1eaft c\u1ea7u l\u00f4 \u0111\u1ec1<\/i><\/b> \u0111\u01b0\u1ee3c kh\u00e1 nhi\u1ec1u ng\u01b0\u1eddi \u00e1p d\u1ee5ng. \u0110\u00e2y \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t <\/span>c\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 mi\u1ec1n B\u1eafc <\/b>chu\u1ea9n x\u00e1c kh\u00f4ng k\u00e9m g\u00ec b\u1eaft c\u1ea7u \u0111\u1ec1 b\u1ea1ch th\u1ee7 qu\u1ea3 tr\u00e1m. <\/span><\/p>\n B\u1eaft c\u1ea7u \u0111\u1ec1 mi\u1ec1n B\u1eafc theo \u0111\u1ec1 ch\u1ea1m 8 tu\u1ea7n l\u00e0 m\u1ed9t c\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 mi\u1ec1n B\u1eafc v\u00f4 c\u00f9ng chu\u1ea9n x\u00e1c <\/span><\/i><\/p>\n Tr\u01b0\u1edbc khi gi\u1edbi thi\u1ec7u v\u1ec1 c\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 n\u00e0y ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 \u0111\u1ec1 ch\u1ea1m l\u00e0 g\u00ec. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi th\u01b0\u1eddng ch\u01a1i l\u00f4 \u0111\u1ec1 th\u00ec \u0111\u00e2y kh\u00f4ng ph\u1ea3i thu\u1eadt ng\u1eef xa l\u1ea1 g\u00ec. Th\u1ebf nh\u01b0ng v\u1edbi ng\u01b0\u1eddi m\u1edbi ch\u01a1i th\u00ec \u201c\u0111\u1ec1 ch\u1ea1m\u201d c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t th\u1ee9 kh\u00e1 kh\u00f3 hi\u1ec3u. \u0110\u1ec1 ch\u1ea1m \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p nhi\u1ec1u s\u1ed1 \u0111\u1ec1 trong \u0111\u00f3, m\u1ed7i s\u1ed1 \u0111\u1ec1 trong t\u1eadp h\u1ee3p s\u1ebd c\u00f3 \u00edt nh\u1ea5t 1 ch\u1eef s\u1ed1 gi\u1ed1ng nhau.<\/span><\/p>\n \u0110\u1ec3 b\u1ea1n \u0111\u1ecdc d\u1ec5 h\u00ecnh dung h\u01a1n, s\u1ebd \u0111\u01b0a ra m\u1ed9t v\u00ed d\u1ee5. V\u00ed d\u1ee5 khi ch\u00fang ta n\u00f3i \u0111\u1ebfn \u0111\u1ec1 ch\u1ea1m 1. Th\u00ec \u0111\u1ec1 ch\u1ea1m 1 s\u1ebd bao g\u1ed3m 1 d\u00e0n s\u1ed1 \u0111\u1ec1 sau: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19. D\u00e3y \u0111\u1ec1 ch\u1ea1m 1 n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ch\u1ea1m \u0111\u1ea7u. C\u00f2n d\u00e3y 01, 11, 21, 31, 41, 51, 61, 71, 81, 91 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ch\u1ea1m \u0111u\u00f4i.<\/span><\/p>\n Khi \u0111\u00e3 hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1ec1 ch\u1ea1m l\u00e0 g\u00ec, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u <\/span>c\u00e1ch t\u00ednh \u0111\u1ec1 chu\u1ea9n<\/i><\/b> theo \u0111\u1ec1 ch\u1ea1m tu\u1ea7n th\u1ee9 8 nh\u00e9. C\u1ee5 th\u1ec3 c\u00e1ch b\u1eaft \u0111\u1ec1 n\u00e0y l\u00e0: <\/span><\/p>\n Ngo\u00e0i hai c\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 ch\u00fang ta v\u1eeba \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft c\u1ea7u \u0111\u1ec1 chu\u1ea9n x\u00e1c theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t n\u1eefa \u0111\u1ea5y. V\u1eady c\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 n\u00e0y c\u1ee5 th\u1ec3 nh\u01b0 th\u1ebf n\u00e0o? \u0110i\u1ec1u n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c b\u1eadt m\u00ed ngay sau \u0111\u00e2y.<\/span><\/p>\n C\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t khi \u0111\u00e1nh \u0111\u1ec1 mi\u1ec1n B\u1eafc kh\u00e1 \u0111\u01a1n gi\u1ea3n. <\/span><\/i><\/p>\n <\/p>\n C\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t khi \u0111\u00e1nh \u0111\u1ec1 mi\u1ec1n B\u1eafc kh\u00e1 \u0111\u01a1n gi\u1ea3n. Theo \u0111\u00f3, c\u00e1ch b\u1eaft \u0111\u1ec1 \u0111\u1ea7u ti\u00ean m\u00e0 ch\u00fang t\u00f4i mu\u1ed1n \u0111\u1ec1 c\u1eadp l\u00e0 b\u1eaft \u0111\u1ec1 theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a th\u1ee9 4 trong tu\u1ea7n. <\/span><\/p>\n \u00c1p d\u1ee5ng c\u00e1ch n\u00e0y, b\u1ea1n ch\u1ec9 c\u1ea7n ghi nh\u1edb k\u1ebft qu\u1ea3 c\u1ee7a ng\u00e0y th\u1ee9 t\u01b0 trong tu\u1ea7n sau \u0111\u00f3 s\u1ebd s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh \u0111\u1ec1 cho th\u1ee9 5 (ng\u00e0y h\u00f4m sau) cho \u0111\u1ebfn ch\u1ee7 nh\u1eadt (h\u1ebft tu\u1ea7n \u0111\u00f3). Th\u1ee9 b\u1ea1n c\u1ea7n ghi nh\u1edb \u1edf trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a ng\u00e0y th\u1ee9 4 n\u00e0y l\u00e0 ch\u1eef s\u1ed1 th\u1ee9 4 trong gi\u1ea3i. Sau \u0111\u00f3 b\u1ea1n s\u1ebd \u0111\u00e1nh d\u00e0n \u0111\u1ec1 ch\u1ea1m \u0111\u1ea7u c\u1ee7a ch\u1eef s\u1ed1 \u0111\u00f3 cho 4 ng\u00e0y ti\u1ebfp theo ( th\u1ee9 5 \u0111\u1ebfn ch\u1ee7 nh\u1eadt). <\/span><\/p>\n V\u00ed d\u1ee5, gi\u1ea3i \u0111\u1eb7c bi\u1ec7t trong ng\u00e0y th\u1ee9 4 l\u00e0 86486 th\u00ec b\u1ea1n s\u1ebd ghi nh\u1edb s\u1ed1 8. Trong 4 ng\u00e0y ti\u1ebfp theo b\u1ea1n s\u1ebd \u0111\u00e1nh ch\u1ea1m \u0111\u1ea7u 8 (80, 81, 82, 83, 84, 85, 86, 87, 88, 89).<\/span><\/p>\n C\u00e1ch b\u1eaft c\u1ea7u theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ti\u1ebfp theo l\u00e0 b\u1eaft c\u1ea7u d\u1ef1a v\u00e0o hai ch\u1eef s\u1ed1 th\u1ee9 3 c\u1ee7a gi\u1ea3i. Kh\u00e1c v\u1edbi c\u00e1ch tr\u00ean, c\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 n\u00e0y s\u1ebd s\u1eed d\u1ee5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a ng\u00e0y th\u1ee9 3 trong tu\u1ea7n. Sau \u0111\u00f3 c\u0169ng g\u1ea7n gi\u1ed1ng v\u1edbi c\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ng\u00e0y th\u1ee9 4, c\u00e1ch n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh trong v\u00f2ng 5 ng\u00e0y c\u00f2n l\u1ea1i (t\u1eeb th\u1ee9 4 \u0111\u1ebfn ch\u1ee7 nh\u1eadt).<\/span><\/p>\n \u00c1p d\u1ee5ng c\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 n\u00e0y c\u0169ng kh\u00f4ng c\u00f3 g\u00ec ph\u1ee9c t\u1ea1p. B\u1eb1ng vi\u1ec7c ghi nh\u1edb ch\u1eef s\u1ed1 th\u1ee9 ba c\u1ee7a gi\u1ea3i, b\u1ea1n h\u00e3y d\u00f9ng n\u00f3 \u0111\u1ec3 \u0111\u00e1nh ch\u1ea1m \u0111\u1ec1 \u0111\u1ea7u cho 5 ng\u00e0y c\u00f2n l\u1ea1i trong tu\u1ea7n l\u00e0 \u0111\u01b0\u1ee3c.<\/span><\/p>\n B\u1eaft c\u1ea7u \u0111\u1ec1 theo hi\u1ec7u s\u1ed1 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i nh\u1ea5t l\u00e0 m\u1ed9t <\/span>c\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 mi\u1ec1n B\u1eafc <\/b>v\u00f4 c\u00f9ng h\u1eefu hi\u1ec7u d\u00e0nh cho b\u1ea1n \u0111\u1ea5y. \u00c1p d\u1ee5ng c\u00e1ch n\u00e0y v\u1eeba \u0111\u01a1n gi\u1ea3n m\u00e0 t\u1ef7 l\u1ec7 tr\u00fang th\u01b0\u1edfng kh\u00f4ng h\u1ec1 nh\u1ecf \u0111\u1ea7u nh\u00e9. <\/span><\/p>\n B\u1eaft c\u1ea7u \u0111\u1ec1 theo hi\u1ec7u s\u1ed1 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i nh\u1ea5t l\u00e0 m\u1ed9t c\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 mi\u1ec1n B\u1eafc v\u00f4 c\u00f9ng h\u1eefu hi\u1ec7u <\/span><\/i><\/p>\n C\u1ee5 th\u1ec3 c\u00e1ch b\u1eaft c\u1ea7u n\u00e0y \u0111\u01b0\u1ee3c hi\u1ec3u nh\u01b0 sau:<\/span><\/p>\n Ngo\u00e0i nh\u1eefng c\u00e1ch m\u00e0 ch\u00fang t\u00f4i v\u1eeba \u0111\u1ec1 c\u1eadp ,b\u1ea1n \u0111\u1ecdc c\u00f2n c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh b\u1eaft c\u1ea7u \u0111\u1ec1 mi\u1ec1n B\u1eafc theo m\u1ed9t s\u1ed1 c\u00e1ch sau: <\/span><\/p>\n Khi gi\u1ea3i \u0111\u1eb7c bi\u1ec7t h\u00f4m nay xu\u1ea5t hi\u1ec7n hai ch\u1eef s\u1ed1 \u0111\u1ea7u ti\u00ean gi\u1ed1ng nhau (AABCD) th\u00ec h\u00f4m sau b\u1ea1n h\u00e3y \u0111\u00e1nh d\u00e0n \u0111\u1ec1 k\u00e9p.<\/span><\/i><\/p>\n Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng <\/span>c\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 mi\u1ec1n B\u1eafc <\/b>c\u00f3 t\u00ednh ch\u00ednh x\u00e1c r\u1ea5t cao m\u00e0 mu\u1ed1n gi\u1edbi thi\u1ec7u cho b\u1ea1n. B\u1ea1n \u0111\u1ecdc h\u00e3y tham kh\u1ea3o v\u00e0 ghi nh\u1edb r\u1ed3i \u00e1p d\u1ee5ng nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y nh\u00e9. Vi\u1ec7c \u00e1p d\u1ee5ng nh\u1eefng \u0111i\u1ec1u n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 s\u1ebd gi\u00fap b\u1ea1n t\u1ef1 tin h\u01a1n m\u1ed7i khi ch\u01a1i c\u00e1 c\u01b0\u1ee3c \u0111\u1ec1 v\u00e0 t\u1ea5t nhi\u00ean v\u1eadn may c\u0169ng s\u1ebd m\u1ec9m c\u01b0\u1eddi v\u1edbi b\u1ea1n nhi\u1ec1u h\u01a1n.<\/span><\/p>\n<\/div>\n\u201cTuy\u1ec7t chi\u00eau\u201d b\u1eaft \u0111\u1ec1 b\u1ea1ch th\u1ee7 ki\u1ec3u qu\u1ea3 tr\u00e1m <\/b><\/h2>\n
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C\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 mi\u1ec1n B\u1eafc chu\u1ea9n theo \u0111\u1ec1 ch\u1ea1m 8 tu\u1ea7n <\/b><\/h2>\n
Kh\u00e1i ni\u1ec7m \u0111\u1ec1 ch\u1ea1m<\/i><\/b><\/h3>\n
C\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 ch\u1ea1m mi\u1ec1n B\u1eafc ch\u00ednh x\u00e1c <\/i><\/b><\/h3>\n
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C\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t ch\u1eafc \u0103n <\/b><\/h2>\n
B\u1eaft c\u1ea7u \u0111\u1ec1 theo ch\u1eef s\u1ed1 th\u1ee9 4 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t <\/i><\/b><\/h3>\n
B\u1eaft c\u1ea7u \u0111\u1ec1 theo ch\u1eef s\u1ed1 th\u1ee9 3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t <\/i><\/b><\/h3>\n
C\u00e1ch b\u1eaft c\u1ea7u \u0111\u1ec1 theo hi\u1ec7u s\u1ed1 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i nh\u1ea5t <\/b><\/h2>\n
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M\u1ed9t s\u1ed1 c\u00e1ch b\u1eaft \u0111\u1ec1 mi\u1ec1n B\u1eafc kh\u00e1c <\/b><\/h2>\n
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