<\/em><\/p>\n C\u1ea7u, k\u00e8o l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec?<\/em><\/p>\n C\u1ea7u k\u00e8o l\u00f4 \u0111\u1ec1 v\u00e0 c\u00e1c c\u1eb7p l\u00f4 hay v\u1ec1 c\u00f9ng nhau trong b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 mi\u1ec1n b\u1eafc th\u1ee9 5 l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m trong khi ch\u01a1i l\u00f4 \u0111\u1ec1, \u0111\u1ec3 t\u00ecm hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 \u0111i\u1ec1u n\u00e0y, d\u01b0\u1edbi \u0111\u00e2y ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p cho ng\u01b0\u1eddi ch\u01a1i nh\u1eefng th\u00f4ng tin v\u1ec1 c\u1ea7u k\u00e8o x\u1ed5 s\u1ed1 hi\u1ec7n nay.<\/p>\n Nh\u01b0 c\u00e1c b\u1ea1n \u0111\u00e3 bi\u1ebft so k\u00e8o l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1 \u0111\u1ed9, c\u00e1 c\u01b0\u1ee3c thu\u1ed9c c\u00e1c tr\u00f2 ch\u01a1i x\u00e1c su\u1ea5t nh\u01b0 b\u00f3ng \u0111\u00e1, \u0111ua ng\u1ef1a,\u2026 hay x\u1ed5 s\u1ed1 l\u00f4 \u0111\u1ec1. Ng\u01b0\u1eddi ch\u01a1i s\u1ebd \u0111\u1eb7t c\u01b0\u1ee3c v\u00e0o m\u1ed9t c\u1eeda n\u00e0o \u0111\u00f3 v\u1edbi m\u1ed9t s\u1ed1 ti\u1ec1n t\u01b0\u01a1ng \u1ee9ng, nh\u01b0 v\u1eady d\u1ef1a theo t\u1ef7 l\u1ec7 k\u00e8o c\u1ee7a c\u1eeda \u0111\u00f3 v\u1edbi c\u1eeda kh\u00e1c, n\u1ebfu ng\u01b0\u1eddi ch\u01a1i th\u1eafng s\u1ebd \u0111\u01b0\u1ee3c s\u1ed1 ti\u1ec1n t\u1ef7 l\u1ec7 n\u00e0y nh\u00e2n v\u1edbi v\u1ed1n ban \u0111\u1ea7u, n\u1ebfu thua th\u00ec s\u1ebd m\u1ea5t s\u1ed1 ti\u1ec1n \u0111\u1eb7c c\u01b0\u1ee3c.<\/p>\n VD: B\u1ea1n c\u00e1 \u0111\u1ed9 b\u00f3ng \u0111\u00e1 ch\u1eb3ng h\u1ea1n, b\u1ea1n \u0111\u1eb7t c\u01b0\u1ee3c k\u1ebft qu\u1ea3 l\u00e0 1-0 v\u1edbi s\u1ed1 ti\u1ec1n l\u00e0 A, s\u1ed1 ng\u01b0\u1eddi \u0111\u1eb7t c\u1eeda 1-0 so v\u1edbi s\u1ed1 ng\u01b0\u1eddi \u0111\u1eb7t h\u00f2a t\u1ef7 l\u1ec7 l\u00e0 1:2, nh\u01b0 v\u1eady, n\u1ebfu b\u1ea1n \u0111o\u00e1n \u0111\u00fang th\u00ec s\u1ebd \u0111\u01b0\u1ee3c Ax2 s\u1ed1 ti\u1ec1n \u0111\u1eb7t.<\/p>\n C\u0169ng gi\u1ed1ng nh\u01b0 tr\u00ean, \u0111\u1ed1i v\u1edbi l\u00f4 \u0111\u1ec1 x\u1ed5 s\u1ed1 mi\u1ec1n b\u1eafc th\u1ee9 6 th\u00ec c\u1ea7u k\u00e8o n\u00e0y s\u1ebd c\u1ed1 \u0111\u1ecbnh h\u01a1n, v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1eb7t c\u01b0\u1ee3c c\u1ee7a ng\u01b0\u1eddi ch\u01a1i \u0111\u00f3 l\u00e0 nh\u00e0 c\u00e1i.<\/p>\n C\u00e1c c\u1eb7p l\u00f4 hay v\u1ec1 c\u00f9ng nhau mi\u1ec1n b\u1eafc \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean kinh nghi\u1ec7m c\u1ee7a nh\u1eefng ng\u01b0\u1eddi ch\u01a1i tr\u01b0\u1edbc \u0111\u00e2y, t\u1eeb \u0111\u00f3 t\u00ecm c\u1ea7u l\u00f4 b\u1ea1c nh\u1edb v\u1edbi x\u00e1c su\u1ea5t cao, t\u0103ng t\u1ef7 l\u1ec7 tr\u00fang k\u00e8o l\u00f4 \u0111\u1ec1 c\u1ee7a ng\u01b0\u1eddi ch\u01a1i, c\u1ee5 th\u1ec3 ph\u01b0\u01a1ng ph\u00e1p s\u1ebd \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n <\/em><\/p>\n C\u1eb7p l\u00f4 hay v\u1ec1 c\u00f9ng nhau mi\u1ec1n b\u1eafc ch\u00ednh x\u00e1c nh\u1ea5t<\/em><\/p>\n B\u1ed9 32, 43, 91<\/p>\n B\u1ed9 64, 63, 85<\/p>\n B\u1ed9 99, 00, 50<\/p>\n B\u1ed9 36, 49, 81.<\/p>\n \n<\/article>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n <\/main><\/div>\n<\/div>\nC\u1ea7u, k\u00e8o l\u00f4 \u0111\u1ec1 l\u00e0 g\u00ec, c\u00e1c b\u1ea1n \u0111\u00e3 bi\u1ebft ch\u01b0a?<\/b><\/h2>\n
\u0110\u1ecbnh ngh\u0129a v\u1ec1 so k\u00e8o:<\/strong><\/h2>\n
C\u1ea7u k\u00e8o l\u00f4 \u0111\u1ec1<\/strong><\/h3>\n
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C\u1eb7p l\u00f4 hay v\u1ec1 c\u00f9ng nhau mi\u1ec1n b\u1eafc ch\u00ednh x\u00e1c nh\u1ea5t<\/b><\/h3>\n
C\u1ea7u l\u00f4 Mb ch\u00ednh x\u00e1c hay v\u1ec1 k\u00e8m nhau:<\/strong><\/h3>\n
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c\u1ea7u vip \u0103n ngay<\/span><\/h3>\n
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\nC\u1ea7u k\u00e8o l\u00f4 \u0111\u1ec1 v\u00e0 c\u00e1c c\u1eb7p l\u00f4 hay v\u1ec1 c\u00f9ng nhau l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m trong khi ch\u01a1i l\u00f4 \u0111\u1ec1, \u0111\u1ec3 t\u00ecm hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 \u0111i\u1ec1u n\u00e0y, d\u01b0\u1edbi \u0111\u00e2y ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p cho ng\u01b0\u1eddi ch\u01a1i nh\u1eefng th\u00f4ng tin v\u1ec1 c\u1ea7u k\u00e8o x\u1ed5 s\u1ed1 hi\u1ec7n nay.<\/b><\/p>\n