{"id":18533,"date":"2024-05-15T02:36:09","date_gmt":"2024-05-15T02:36:09","guid":{"rendered":"https:\/\/soicau4082.minhngocxoso.com\/?p=18533"},"modified":"2024-05-15T02:36:09","modified_gmt":"2024-05-15T02:36:09","slug":"ti-le-an-thua-so-de-lo-xien-chuan","status":"publish","type":"post","link":"https:\/\/baolo100.com\/ti-le-an-thua-so-de-lo-xien-chuan\/","title":{"rendered":"T\u1ec9 l\u1ec7 \u0103n thua s\u1ed1 \u0111\u1ec1 – l\u00f4 xi\u00ean chu\u1ea9n"},"content":{"rendered":"

H\u1ea7u nh\u01b0 ai c\u0169ng bi\u1ebft \u0111\u1ed9 kh\u00f3 c\u1ee7a ch\u01a1i l\u00f4 xi\u00ean, nh\u01b0ng c\u00e0ng kh\u00f3 th\u00ec ng\u01b0\u1eddi ta l\u1ea1i c\u00e0ng mu\u1ed1n chinh ph\u1ee5c. B\u00ean c\u1ea1nh \u0111\u00f3, khi tr\u00fang \u0111\u01b0\u1ee3c l\u00f4 xi\u00ean th\u00ec t\u1ec9 l\u1ec7 l\u1ee3i nhu\u1eadn r\u1ea5t l\u1edbn n\u00ean thu h\u00fat \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi tham gia c\u1ea3 c\u00e1c cao nh\u00e2n ti\u1ec1n b\u1ed1i. Nh\u01b0ng hi\u1ec7n nay \u0111a ph\u1ea7n l\u00e0 c\u00e1ch ch\u01a1i c\u1ee7a m\u1ecdi ng\u01b0\u1eddi mang thi\u00ean h\u01b0\u1edbng l\u00e0 c\u1ea3m t\u00ednh, v\u00ec kh\u00f4ng c\u00f3 s\u1ef1 t\u00ednh to\u00e1n ph\u00f9 h\u1ee3p th\u1ebf n\u00ean kh\u00f4ng tr\u00e1nh \u0111\u01b0\u1ee3c s\u1ef1 m\u1ea5t m\u00e1t m\u1ed9t kho\u1ea3n ti\u1ec1n l\u1edbn. V\u1edbi b\u00e0i vi\u1ebft c\u1ee7a s\u1ebd gi\u00fap m\u1ed9t ph\u1ea7n nh\u1ecf cho anh em  c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u tr\u01b0\u1edbc khi ch\u01a1i l\u00f4 xi\u00ean 2, xi\u00ean 3 hay xi\u00ean 4 hi\u1ec7u qu\u1ea3 ch\u00ednh x\u00e1c cao nh\u00e9.<\/p>\n

1. Th\u1ebf n\u00e0o l\u00e0 ch\u01a1i l\u00f4 xi\u00ean<\/strong><\/h2>\n

L\u00f4 xi\u00ean l\u00e0 c\u00e1ch ch\u01a1i \u0111\u01b0\u1ee3c d\u1ef1a tr\u00ean 2 s\u1ed1 cu\u1ed1i c\u1ee7a c\u00e1c gi\u1ea3i trong b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft 3 mi\u1ec1n, trong \u0111\u00f3 mi\u1ec1n B\u1eafc c\u00f3 27 gi\u1ea3i, mi\u1ec1n Nam v\u00e0 mi\u1ec1n Trung c\u00f3 18 gi\u1ea3i. Ch\u01a1i l\u00f4 xi\u00ean l\u00e0 t\u00ecm ra \u0111\u01b0\u1ee3c nh\u1eefng c\u1eb7p s\u1ed1 c\u00f3 nhi\u1ec1u s\u1ed1 kh\u00e1c nhau v\u00e0 \u0111\u01b0\u1ee3c \u0111\u00e1nh trong c\u00f9ng m\u1ed9t l\u00fac. Nh\u1eefng c\u1eb7p s\u1ed1 b\u1ea1n l\u1ef1a ch\u1ecdn n\u1ebfu tr\u00f9ng t\u1ea5t c\u1ea3 c\u00e1c con s\u1ed1 trong b\u1ea3ng k\u1ebft qu\u1ea3 b\u1ea1n s\u1ebd th\u1eafng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i<\/p>\n

\"\"<\/p>\n

L\u00f4 xi\u00ean mi\u1ec1n B\u1eafc c\u00f3 t\u1ea5t c\u1ea3 27 gi\u1ea3i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng t\u1ec9 l\u1ec7 tr\u00fang l\u00f4 xi\u00ean l\u00e0 27%<\/em><\/p>\n

L\u00f4 xi\u00ean 2:<\/em><\/h4>\n

B\u1ea1n ph\u1ea3i l\u1ef1a ch\u1ecdn 2 con l\u00f4 kh\u00e1c nhau v\u00e0 k\u1ebft h\u1ee3p ch\u00fang th\u00e0nh m\u1ed9t c\u1eb7p r\u1ed3i ch\u01a1i v\u1edbi t\u1ec9 l\u1ec7 1:10<\/p>\n

L\u00f4 xi\u00ean 3:<\/em><\/h4>\n

T\u01b0\u01a1ng t\u1ef1 nh\u01b0 l\u00f4 xi\u00ean \u0111\u00f4i. B\u1ea1n ph\u1ea3i l\u1ef1a ch\u1ecdn 3 con l\u00f4 kh\u00e1c nhau v\u00e0 k\u1ebft h\u1ee3p ch\u00fang th\u00e0nh m\u1ed9t c\u1eb7p r\u1ed3i ch\u01a1i v\u1edbi t\u1ec9 l\u1ec7 1:40<\/p>\n

L\u00f4 xi\u00ean 4: <\/em><\/h4>\n

L\u00f4 xi\u00ean 4 kh\u00f3 h\u01a1n nhi\u1ec1u v\u1edbi l\u00f4 xi\u00ean 2, l\u00f4 xi\u00ean 3. B\u1ea1n ph\u1ea3i l\u1ef1a ch\u1ecdn 4 con l\u00f4 kh\u00e1c nhau v\u00e0 k\u1ebft h\u1ee3p ch\u00fang th\u00e0nh m\u1ed9t c\u1eb7p r\u1ed3i ch\u01a1i v\u1edbi t\u1ec9 l\u1ec7 1:100.<\/p>\n

2. T\u00ednh x\u00e1c su\u1ea5t th\u1eafng khi ch\u01a1i l\u00f4 xi\u00ean \u0103n bao nhi\u00eau?<\/strong><\/h2>\n

N\u1ebfu l\u1ea5y l\u00f4 xi\u00ean l\u00e0 nh\u1eefng k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng c\u1ee7a gi\u1ea3i x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc th\u00ec s\u1ebd c\u00f3 27 k\u1ebft qu\u1ea3. V\u1eady n\u00ean,  t\u1eeb 00 \u2013 99 s\u1ebd c\u00f3 27 k\u1ebft qu\u1ea3 tr\u00f9ng v\u1edbi k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft mi\u1ec1n B\u1eafc. V\u1eady x\u00e1c su\u1ea5t tr\u00fang l\u00f4 s\u1ebd l\u00e0 27%.N\u1ebfu tr\u01b0\u1eddng h\u1ee3p gi\u1ea3i th\u01b0\u1edfng x\u1ed5 s\u1ed1 kh\u00e1c nhau m\u00e0 s\u1ed1 cu\u1ed1i tr\u00f9ng nhau th\u00ec x\u00e1c su\u1ea5t tr\u00fang l\u00f4 s\u1ebd c\u00f2n 23,76%<\/p>\n

T\u1eeb x\u00e1c su\u1ea5t tr\u00fang l\u00f4 s\u1ebd t\u00ednh ra \u0111\u01b0\u1ee3c x\u00e1c su\u1ea5t th\u1eafng l\u00f4 xi\u00ean nh\u01b0 sau:<\/em><\/h4>\n

X\u00e1c su\u1ea5t th\u1eafng l\u00f4 xi\u00ean 2 = 23,76% x 23,76% = 5,6%<\/p>\n

X\u00e1c su\u1ea5t th\u1eafng l\u00f4 xi\u00ean 3 = 23,76% x 23,76% x 23,76% = 1,34%<\/p>\n

X\u00e1c su\u1ea5t th\u1eafng xi\u00ean 4 = 23,76% x 23,76% x 23,76% x 23,76% = 0,32%.  Nh\u01b0 v\u00e2y v\u1edbi xi\u00ean 4 x\u00e1c su\u1ea5t nh\u1ecf h\u01a1n 1% th\u00ec t\u1ef7 l\u1ec7 th\u1eafng c\u00f2n kh\u00f3 h\u01a1n c\u1ea3 tr\u00fang \u0111\u1ec1.<\/p>\n

Tuy nhi\u00ean v\u1eabn c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi tham gia ch\u01a1i v\u00ec t\u1ec9 l\u1ec7 tr\u00fang c\u00e0ng th\u1ea5p th\u00ec ph\u1ea7n th\u01b0\u1edfng c\u00e0ng cao.<\/p>\n

3. Nh\u1eefng b\u00ed quy\u1ebft \u0111\u00e1nh l\u00f4 xi\u00ean c\u1ef1c hi\u1ec7u qu\u1ea3<\/strong><\/h2>\n

\"\"<\/p>\n

Hi\u1ec7n nay, ph\u01b0\u01a1ng ph\u00e1p th\u1ed1ng k\u00ea l\u00e0 ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 \u0111\u01b0a ra c\u00e1ch ch\u01a1i l\u00f4 xi\u00ean ch\u00ednh v\u00ec v\u1eady, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i k\u1ec3 c\u00e1c c\u00e1c chuy\u00ean gia soi c\u1ea7u l\u00f4 xi\u00ean c\u0169ng khuy\u00ean n\u00ean s\u1eed d\u1ee5ng.<\/p>\n

B\u00ed quy\u1ebft ch\u01a1i l\u00f4 xi\u00ean 2, l\u00f4 xi\u00ean 3, l\u00f4 xi\u00ean 4 d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi ch\u01a1i<\/em><\/p>\n

Nh\u1eefng li\u1ec7t k\u00ea d\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng li\u1ec7t k\u00ea c\u00e1c c\u1eb7p l\u00f4 xi\u00ean hay \u0111i v\u1edbi nhau qua c\u00e1c b\u1ea3ng th\u1ed1ng k\u00ea ph\u00e2n t\u00edch t\u1eeb k\u1ebft qu\u1ea3 XSMB h\u00e0ng ng\u00e0y, h\u00e0ng tu\u1ea7n<\/p>\n

\u2013  Nh\u1eefng con l\u00f4 hay ra h\u00e0ng ng\u00e0y l\u00e0: 75-79-92-95-373-565. Tuy nhi\u00ean s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o t\u1eebng ng\u00e0y c\u00e1c c\u1eb7p n\u00e0y s\u1ebd l\u1ea7n l\u01b0\u1ee3t ra, v\u00ec \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng r\u1ea5t nhi\u1ec1u ng\u00e0y qua.<\/p>\n

\u2013 Nh\u1eefng c\u1eb7p l\u00f4 th\u01b0\u1eddng hay \u0111i c\u00f9ng nhau l\u00e0: 373 v\u1edbi 010; 25, 52 di k\u00e8m c\u00f3 22, 76 \u0111i v\u1edbi 47, 11 \u0111i v\u1edbi 44, 66 \u0111i v\u1edbi 33.<\/p>\n

\u2013  Khi m\u00e0 h\u00f4m nay l\u00f4 ra c\u1ea3 c\u1eb7p 060 th\u00ec ng\u00e0y h\u00f4m sau s\u1ebd r\u01a1i l\u1ea1i 1 s\u1ed1<\/p>\n

\u2013  L\u00f4 m\u00e0 ra 51 th\u00ec ng\u00e0y  h\u00f4m sau s\u1ebd ra con 15<\/p>\n

\u2013  L\u00f4 ra c\u1ea3 c\u1eb7p 050 ho\u1eb7c h\u00f4m tr\u01b0\u1edbc c\u00f3 m\u1ed9t con th\u00ec h\u00f4m sau s\u1ebd tr\u1ea3 l\u1ea1i m\u1ed9t con.<\/p>\n

\u2013  N\u1ebfu l\u00f4 ra c\u1ea3 c\u1eb7p 020 ho\u1eb7c h\u00f4m tr\u01b0\u1edbc s\u1edf h\u1eefu m\u1ed9t con th\u00ec h\u00f4m sau s\u1ebd mang 99 v\u00e0 ng\u01b0\u1ee3c l\u1ea1i<\/h4>\n