\nSau \u0111\u00e2y ch\u00fang ta h\u00e3y c\u0169ng chi\u00eam nghi\u1ec7m m\u1ed9t s\u1ed1 h\u00ecnh th\u1ee9c c\u0169ng nh\u01b0 chia s\u1ebd t\u1eeb nh\u1eefng ng\u01b0\u1eddi \u0111i tr\u01b0\u1edbc nh\u00e9 anh em, c\u00f9ng \u0111\u1ecdc b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/p>\n
- \n
- Nh\u1eadn \u0111\u1ecbnh chung<\/li>\n
- \u00c1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh l\u00f4 \u0111\u1ec1 hi\u1ec7n \u0111\u1ea1i\n
- \n
- \u0110\u00e1nh k\u00e8o xi\u00ean 2 gh\u00e9p c\u1eb7p<\/li>\n
- \u0110\u00e1nh k\u00e8o xi\u00ean 3 gh\u00e9p c\u1eb7p<\/li>\n<\/ul>\n<\/li>\n
- <\/li>\n
- K\u1ebft lu\u1eadn<\/li>\n<\/ul>\n<\/div>\n
Nh\u1eadn \u0111\u1ecbnh chung<\/strong><\/h2>\n
Theo c\u00e1ch \u0111\u00e1nh c\u01b0\u1ee3c th\u00f4ng th\u01b0\u1eddng m\u1ed7i ch\u00fang ta \u0111i\u1ec1u \u0111\u00e1nh theo c\u1ea3m t\u00edch c\u1ee7a m\u00ecnh v\u00e0 s\u1ed1 ti\u1ec1n \u0111\u1eb7t c\u01b0\u1ee3c v\u00e0o \u0111\u00f3 c\u0169ng ng\u1eabu nhi\u00ean theo s\u1ed1 v\u1ed1n, \u0111\u00e1nh theo s\u1ed1 li\u1ec7u th\u1ed1ng k\u00ea t\u1eeb k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 hay t\u00ednh to\u00e1n t\u1eeb nh\u1eefng c\u1ea7u l\u00f4 kh\u00f4ng kh\u1ea3 thi c\u00f2n g\u1ecdi l\u00e0 t\u00ednh kh\u00f4ng ch\u1eafc ch\u1eafn. \u0110a s\u1ed1 nh\u1eefng anh ch\u1ecb l\u00e2u n\u0103m kinh nghi\u00eam chia s\u1ebd th\u00ec vi\u1ec7c \u0111\u00e1nh theo th\u1ed1ng k\u00ea s\u1ebd c\u00f3 t\u1ef7 l\u1ec7 th\u1eafng cao h\u01a1n khi ch\u00fang ta \u0111\u00e1nh theo c\u1ea7u l\u00f4.
\nKi\u1ec3u t\u00ednh to\u00e1n n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c nhi\u1ec1u anh ch\u1ecb th\u1ef1c ti\u1ec5n \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c, lo\u1ea1i t\u00ednh to\u00e1n \u0111\u00f3 r\u00f5 r\u00e0ng l\u00e0 khi ch\u00fang ta \u0111o\u00e1n 1 c\u1eb7p l\u00f4 n\u00e0o \u0111\u00e3 t\u00ednh to\u00e1n qua vi\u1ec7c th\u1ed1ng k\u00ea x\u00e1c xu\u1ea5t s\u1ebd n\u1eb1m kho\u1ea3ng 75% chi\u1ebfn th\u1eafng nh\u01b0 th\u1ebf th\u00ec c\u1ee9 10 c\u1eb7p l\u00f4 ch\u00fang ta c\u01b0\u1ee3c s\u1ebd \u0103n \u0111\u01b0\u1ee3c 7 tr\u00ean 10 c\u1eb7p s\u1ed1. B\u00ean c\u1ea1nh \u0111\u00f3 ch\u00fang ta c\u0169ng t\u00ednh nh\u1eefng l\u1ea7n thua th\u00ec s\u1ed1 ti\u1ec1n l\u00e3i \u0111\u01b0\u1ee3c c\u0169ng kh\u00f4ng bao nhi\u00eau c\u1ea3. Do \u0111\u00f3 ch\u00fang t\u00f4i s\u1ebd chia s\u1ebd c\u00e1ch ch\u00fang ta \u0111\u00e1nh l\u00f4 \u0111\u1ec1 khi \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p m\u1edbi n\u00e0y nh\u00e9 c\u00f9ng v\u1edbi qu\u00e1 tr\u00ecnh c\u1eadp nh\u1eadt.<\/p>\n\u00c1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh l\u00f4 \u0111\u1ec1 hi\u1ec7n \u0111\u1ea1i<\/strong><\/h2>\n
C\u00e1ch n\u00e0y ch\u00fang ta s\u1ebd t\u1ed5ng h\u1ee3p th\u1ed1ng k\u00ea ch\u00ednh x\u00e1c l\u1ea1i m\u1ed7i ng\u00e0y ch\u00fang ta s\u1ebd l\u1ea5y ra 3 c\u1eb7p s\u1ed1 v\u00e0 \u0111\u00e1nh gi\u00e1.
\nV\u00ed d\u00fa : l\u00f4 030, l\u00f4 010 v\u00e0 l\u00f4 020 th\u00ec s\u1ebd c\u00f3 t\u1ed5ng 6 c\u1eb7p s\u1ed1 v\u00e0 ch\u00fang ta s\u1ebd \u0111\u00e1nh theo hai c\u00e1ch d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\u0110\u00e1nh k\u00e8o xi\u00ean 2 gh\u00e9p c\u1eb7p<\/strong><\/h3>\n
Theo nh\u01b0 tr\u00ean ch\u00fang ta \u0111\u00e3 c\u00f3 6 c\u1eb7p s\u1ed1 \u0111\u1ec3 chi\u1ebfn r\u1ed3i v\u00e0 6 c\u1eb7p s\u1ed1 th\u00ec s\u1ebd c\u00f3 t\u1ed5ng c\u1ed9ng 15 c\u0103p xi\u00ean nh\u00e9. Nh\u01b0ng ch\u00fang ta s\u1ebd b\u00f5 c\u00e1c c\u1eb7p s\u1ed1 c\u00f9ng 1 c\u1eb7p xi\u00ean \u0111i nh\u00e9 nh\u01b0 c\u1eb7p 20 v\u00e0 02 , c\u1eb7p 10 v\u00e0 10,\u2026th\u00ec ch\u00fang ta c\u00f2n l\u1ea1i t\u1ed5ng l\u00e0 12 c\u1eb7p xi\u00ean \u0111\u1ec3 \u0111\u00e1nh c\u01b0\u1ee3c.
\n\u0110\u00f3 l\u00e0 c\u00e1c c\u1eb7p sau \u0111\u00e2y: 01 v\u00e0 02, 01 v\u00e0 20, 01 v\u00e0 03, 01 v\u00e0 30, 10 v\u00e0 02, 10 v\u00e0 20, 10 v\u00e0 03, 10 v\u00e0 30, 02 v\u00e0 03, 02 v\u00e0 30, 20 v\u00e0 03 cu\u1ed1i c\u00f9ng l\u00e0 c\u1eb7p 20 v\u00e0 30.
\nNh\u1eefng c\u1eb7p s\u1ed1 n\u00e0y ch\u00fang ta s\u1ebd \u0111\u1eb7t c\u01b0\u1ee3c s\u1ed1 ti\u1ec1n nh\u01b0 nhau l\u00e0 1 \u0111i\u1ec3m theo nh\u00e0 c\u00e1i nh\u00e9. Suy ra ch\u00fang ta s\u1ebd t\u1ed1n kho\u1ea3ng 648k theo k\u00e8o xi\u00ean 2 n\u00e0y.
\n\u0110\u00e2y s\u1ebd c\u00e1c l\u00e0 tr\u01b0\u1eddng h\u1ee3p c\u00f3 th\u1ec3 x\u1ea3y ra nh\u00e9:
\n+ Kh\u00f4ng nh\u00e1y n\u00e0o v\u1ec1 ho\u1eb7c ch\u1ec9 v\u1ec1 duy nh\u1ea5t m\u1ed9t nh\u00e1y th\u00ec ch\u00fang ta s\u1ebd l\u1ed7.
\n+ V\u1ec1 1 nh\u00e1y xi\u00ean ta l\u00e3i \u0111\u01b0\u1ee3c 890k theo nh\u00e0 c\u00e1i.
\n+ V\u1ec1 3 con th\u00ec ch\u00fang ta \u0103n \u0111\u01b0\u1ee3c k\u00e8o xi\u00ean 3 suy ra l\u00e3i 2670k theo nh\u00e0 c\u00e1i.
\n+ N\u1ebfu v\u1ec1 c\u1ea3 4 con \u0111\u01b0\u01a1ng nhi\u00ean s\u1ed1 ti\u1ec1n l\u00e3i \u0111\u01b0\u1ee3c thu\u1ed9c v\u1ec1 ch\u00fang ta s\u1ebd kh\u00f4ng \u00edt r\u1ed3i ph\u1ea3i kh\u00f4ng n\u00e0o.<\/p>\n<\/div>\n<\/div>\n\n\u0110\u00e1nh k\u00e8o xi\u00ean 3 gh\u00e9p c\u1eb7p<\/strong><\/h3>\n
C\u00e1ch \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 ch\u01a1i k\u00e8o xi\u00ean 3 c\u0169ng \u0111\u01a1n gi\u1ea3n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 k\u00e8o xi\u00ean 2 th\u00ec \u0111\u00e2y l\u00e0 nh\u1eefng c\u1eb7p l\u00f4 ch\u00fang ta s\u1ebd chi\u1ebfn : 03,02,01 v\u00e0 10,03,02 v\u00e0 20,03,01 v\u00e0 20,10,03 v\u00e0 30,02,01 v\u00e0 30,10,02 v\u00e0 30,20,01 v\u00e0 30,20,10 th\u00ec s\u1ed1 ti\u1ec1n c\u01b0\u1ee3c c\u0169ng nh\u01b0 k\u00e8o xi\u00ean 2 l\u00e0 648k theo nh\u00e0 c\u00e1i.
\nNh\u01b0 th\u1ebf th\u00ec theo lu\u1eadt \u0111\u1ec3 gi\u00e0nh chi\u1ebfn th\u1eafng th\u00ec ch\u00fang ta ph\u1ea3i v\u1ec1 c\u1ea3 3 c\u1eb7p l\u00e0 1 l\u00f4 xi\u00ean 3 s\u1ed1 ti\u1ec1n l\u00e3i s\u1ebd l\u00e0 5tr900 ngh\u00ecn \u0111\u1ed3ng v\u1edbi s\u1ed1 v\u1ed1n b\u00f5 ra th\u00ec cho ph\u00e9p ch\u00fang ta c\u00f3 th\u1ec3 thua kho\u1ea3ng 7 8 ng\u00e0y nh\u01b0ng v\u1ec1 nh\u00e1y 1 ng\u00e0y th\u00f4i c\u0169ng \u0111\u1ee7 l\u1eddi r\u1ed3i ph\u1ea3i kh\u00f4ng n\u00e0o.<\/p>\nK\u1ebft lu\u1eadn<\/strong><\/h2>\n
Nh\u01b0 th\u1ebf th\u00ec ch\u00fang ta c\u0169ng \u0111\u00e3 bi\u1ebft \u0111\u1ec3 chi\u1ebfn th\u1eafng \u0111\u01b0\u1ee3c k\u00e8o \u0111\u00e1nh l\u00f4 xi\u00ean c\u0169ng nh\u01b0 l\u00e0 c\u00e1c k\u00e8o thu\u1ed9c nhi\u1ec1u th\u1ec3 lo\u1ea1i th\u00ec ch\u00fang ta ph\u1ea3i nghi\u00ean c\u1ee9u, t\u00ecm t\u00f2i h\u1ecdc h\u1ecfi th\u00ec m\u1edbi c\u00f3 th\u1ec3 gi\u00e0nh chi\u1ebfn th\u1eafng v\u00e0 \u0111\u01b0\u1ee3c ph\u1ea7n l\u00e3i v\u1ec1 m\u00ecnh, b\u00e0i vi\u1ebft c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh l\u00f4 \u0103n ch\u1eafc v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t l\u00e0 m\u1ed9t trong nh\u1eefng b\u00e0i gi\u00fap anh ch\u1ecb em m\u1edf mang ki\u1ebfn th\u1ee9c nh\u01b0ng h\u00e3y nh\u1edb \u0111\u0103ng k\u00fd cho m\u00ecnh m\u1ed9t t\u00e0i kho\u1ea3n \u0111\u1ec3 c\u00f9ng ch\u00fang t\u00f4i tr\u1ea3i nghi\u1ec7m mu\u00f4n v\u00e0n tr\u00f2 ch\u01a1i t\u1ea1i nh\u00e0 c\u00e1i nh\u00e9 c\u00e1c b\u1ea1n. Nh\u00e0 c\u00e1i uy t\u00edn nh\u1ea5t Vi\u1ec7t Nam. Ch\u00fac anh ch\u1ecb m\u1ed9t ng\u00e0y vui v\u1ebb v\u00e0 g\u1eb7p nhi\u1ec1u may m\u1eafn khi tham gia t\u1ea1i nh\u00e0 c\u00e1i.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\nk\u1ebft qu\u1ea3 soi c\u1ea7u cao c\u1ea5p<\/h3>\n