Nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n c\u1ea7n ph\u1ea3i n\u1eafm b\u1eaft v\u1ec1 l\u00f4 xi\u00ean<\/span><\/h2>\nH\u00ecnh ch\u01a1i l\u00f4 xi\u00ean l\u00e0 c\u00e1ch ng\u01b0\u1eddi ch\u01a1i l\u1ef1a ch\u1ecdn t\u1eeb 2 \u0111\u1ebfn 4 con s\u1ed1 s\u1ebd xu\u1ea5t hi\u1ec7n trong b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 c\u1ee7a ng\u00e0y h\u00f4m \u0111\u00f3. V\u00e0 t\u1ea5t c\u1ea3 nh\u1eefng con l\u00f4 n\u00e0y \u0111\u1ec1u xu\u1ea5t hi\u1ec7n trong b\u1ea3ng k\u1ebft qu\u1ea3 th\u00ec s\u1ebd gi\u00e0nh chi\u1ebfn th\u1eafng \u0111\u00e2y l\u00e0 \u0103n l\u00f4 xi\u00ean.<\/span><\/p>\nTrong b\u1ea3ng KQXS c\u1ee7a mi\u1ec1n B\u1eafc s\u1ebd c\u00f3 t\u1ea5t c\u1ea3 l\u00e0 27 gi\u1ea3i v\u00e0 k\u1ebft qu\u1ea3 nh\u1eefng con l\u00f4 \u0111\u00f3 s\u1ebd n\u1eb1m trong 27 con s\u1ed1 c\u1ee7a b\u1ea3ng n\u00e0y. V\u00e0 27 s\u1ed1 trong b\u1ea3ng n\u00e0y s\u1ebd thu\u1ed9c b\u1ed9 s\u1ed1 t\u1eeb 00 \u0111\u1ebfn 99 t\u1ed5ng c\u1ed9ng l\u00e0 100 con s\u1ed1 v\u00e0 khi \u0111\u00f3 ch\u00fang ta s\u1ebd c\u00f3 27% x\u00e1c su\u1ea5t tr\u00fang v\u00e0 ch\u01b0a t\u0129nh c\u00f3 nh\u1eefng con l\u00f4 v\u1ec1 2 \u0111\u1ebfn 3 nh\u00e1y c\u00f3 khi c\u00f2n nhi\u1ec1u h\u01a1n n\u1eefa.<\/span><\/p>\nNh\u1eefng c\u00e1ch ch\u1ecdn con l\u00f4 \u0111\u1eb9p<\/span><\/h2>\nKhi \u0111\u00e3 quy\u1ebft \u0111\u1ecbnh ch\u01a1i l\u00f4 xi\u00ean th\u00ec b\u1ea1n\u00a0 c\u1ea7n ph\u1ea3i t\u00ecm \u0111\u01b0\u1ee3c cho m\u00ecnh nh\u1eefng con l\u00f4 \u0111\u1eb9p nh\u1ea5t v\u00e0 c\u0169ng ph\u1ea3i hi\u1ec3u r\u00f5 \u0111\u01b0\u1ee3c \u0103n l\u00f4 xi\u00ean l\u00e0 bao nhi\u00eau. \u0110\u1eb7c bi\u1ec7t th\u00ec khi ch\u01a1i l\u00f4 xi\u00ean 3 th\u00ec c\u1ea7n ph\u1ea3i bi\u1ebft <\/span>l\u00f4 xi\u00ean 3 \u0103n bao nhi\u00eau. <\/b>Ch\u00ednh v\u00ec v\u1eady, nh\u1eefng ng\u01b0\u1eddi ch\u01a1i c\u1ea7n ph\u1ea3i c\u00f3 kinh nghi\u1ec7m t\u00edch l\u0169y trong qu\u00e1 tr\u00ecnh ch\u01a1i \u0111\u1ec3 c\u00f3 c\u00e1ch \u0111\u00e1nh ph\u00f9 h\u1ee3p. Sau \u0111\u00e2y ch\u00fang ta c\u00f9ng tham kh\u1ea3o m\u1ed9t v\u00e0i ph\u01b0\u01a1ng ph\u00e1p d\u01b0\u1edbi \u0111\u00e2y:<\/span><\/p>\nTh\u1ed1ng k\u00ea c\u00e1c con l\u00f4 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong th\u1eddi gian g\u1ea7n \u0111\u00e2y<\/span><\/h3>\nVi\u1ec7c th\u1ed1ng k\u00ea th\u01b0\u1eddng xuy\u00ean nh\u1eefng con l\u00f4 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n v\u00e0 li\u00ean t\u1ee5c s\u1ebd l\u00e0 c\u00e1ch \u0111\u1ec3 ng\u01b0\u1eddi ch\u01a1i \u00e1p d\u1ee5ng \u0111\u1ec3 m\u00e0n \u0111\u1ebfn nhi\u1ec1u hi\u1ec7u qu\u1ea3 t\u1ed1t khi \u0111\u00e1nh l\u00f4 xi\u00ean. V\u1edbi c\u00e1ch th\u1ed1ng k\u00ea n\u00e0y th\u00ec c\u00e1c tay ch\u01a1i c\u1ea7n ph\u1ea3i theo d\u00f5i v\u00e0 quan s\u00e1t b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 h\u00e0ng ng\u00e0y trong kho\u1ea3ng th\u1eddi gian d\u00e0i.\u00a0<\/span><\/p>\n\u0110\u1ed1i v\u1edbi nh\u1eefng c\u1eb7p m\u1eaft v\u00e0 kinh nghi\u1ec7m ch\u01a1i trong ngh\u1ec1 th\u00ec nh\u1eefng con l\u00f4 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n nhi\u1ec1u nh\u1ea5t trong th\u1eddi gian v\u1eeba qua \u0111\u00f3 l\u00e0 56 – 65; 18 – 81; 46 – 64 – 78. Tuy nhi\u00ean nh\u1eefng con l\u00f4 n\u00e0y s\u1ebd kh\u00f4ng xu\u1ea5t hi\u1ec7n c\u00f9ng l\u00fac m\u00e0 s\u1ebd chia nhau ra theo t\u1eebng th\u1eddi gian. Ch\u00ednh v\u00ec th\u1ebf b\u1ea1n c\u1ea7n theo d\u00f5i s\u00e1t sao v\u00e0 \u0111\u1eebng b\u1ecf qua c\u00e1c con s\u1ed1 n\u00e0y.\u00a0<\/span><\/p>\nNh\u1eefng c\u1eb7p l\u00f4 xi\u00ean th\u01b0\u1eddng ra c\u00f9ng nhau<\/span><\/h3>\nTh\u00f4ng qua c\u00e1c b\u1ea3ng KQXS trong m\u1ed9t kho\u1ea3ng th\u1eddi gian d\u00e0i th\u00ec c\u00e1c l\u00f4 \u0111\u1ec1 th\u1ee7 s\u1ebd c\u00f3 th\u1ec3 t\u00ecm ra nh\u1eefng c\u1eb7p l\u00f4 xi\u00ean th\u01b0\u1eddng \u0111i c\u00f9ng v\u1edbi nhau. \u0110\u00e2y c\u0169ng ch\u00ednh l\u00e0 c\u00e1ch \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a ra \u0111\u01b0\u1ee3c nh\u1eefng quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn khi \u0111\u00e1nh l\u00f4 xi\u00ean. C\u1ee5 th\u1ec3 tham kh\u1ea3o nh\u01b0 sau:<\/span><\/p>\n\n- L\u00f4 11 hay xu\u1ea5t hi\u1ec7n k\u00e8m v\u1edbi s\u1ed1 88<\/span><\/li>\n
- L\u00f4 45 v\u00e0 54 th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi 02 – 20 – 94<\/span><\/li>\n
- L\u00f4 25 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n c\u00f9ng v\u1edbi 33<\/span><\/li>\n
- L\u00f4 67 xu\u1ea5t hi\u1ec7n k\u00e8m v\u1edbi s\u1ed1 57<\/span><\/li>\n<\/ul>\n