{"id":18344,"date":"2024-04-28T13:11:37","date_gmt":"2024-04-28T13:11:37","guid":{"rendered":"https:\/\/soicau3066.minhngocxoso.com\/?p=18344"},"modified":"2024-04-28T13:11:37","modified_gmt":"2024-04-28T13:11:37","slug":"cach-danh-lo-xien-de-trung","status":"publish","type":"post","link":"https:\/\/soicaubachthuchinhxac.com\/cach-danh-lo-xien-de-trung\/","title":{"rendered":"C\u00e1ch \u0111\u00e1nh l\u00f4 xi\u00ean d\u1ec5 tr\u00fang"},"content":{"rendered":"
C\u00e1ch \u0111\u00e1nh l\u00f4 xi\u00ean d\u1ec5 tr\u00fang l\u00e0 \u0111i\u1ec1u m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi \u0111ang t\u00ecm ki\u1ebfm. B\u1edfi \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng b\u1ed9 m\u00f4n c\u1edd b\u1ea1c kh\u00f3 ch\u01a1i, \u0111\u1ed9c \u0111\u00e1o v\u00e0 thu h\u00fat r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi theo \u0111u\u1ed5i.<\/p>\n
B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y \u0111\u00fac k\u1ebft t\u1eeb kinh nghi\u1ec7m c\u1ee7a nh\u1eefng th\u00e1nh trong l\u00e0ng l\u00f4 \u0111\u1ec1. V\u1edbi n\u00f3, t\u1ef7 l\u1ec7 tr\u00fang l\u00f4 xi\u00ean c\u1ee7a b\u1ea1n s\u1ebd t\u0103ng l\u00ean r\u1ea5t nhi\u1ec1u. H\u00e3y c\u00f9ng tham kh\u1ea3o trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/p>\n
\u0110\u1ea7u ti\u00ean, ch\u00fang ta h\u00e3y c\u00f9ng nh\u1eafc l\u1ea1i c\u00e1ch \u0111\u00e1nh l\u00f4 xi\u00ean. C\u00e1ch \u0111\u00e1nh n\u00e0y d\u1ef1a tr\u00ean nh\u1eefng con s\u1ed1 cu\u1ed1i c\u1ee7a nh\u1eefng gi\u1ea3i c\u1ee7a x\u1ed5 s\u1ed1 ki\u1ebfn thi\u1ebft. V\u1edbi mi\u1ec1n B\u1eafc, ch\u00fang ta c\u00f3 27 gi\u1ea3i. C\u00f2n v\u1edbi mi\u1ec1n Trung v\u00e0 mi\u1ec1n Nam, s\u1ed1 l\u01b0\u1ee3ng gi\u1ea3i l\u00e0 18.<\/p>\n
T\u00ednh \u0111\u1ebfn th\u1eddi \u0111i\u1ec3m n\u00e0y, c\u00e1ch \u0111\u00e1nh l\u00f4 c\u1ee7a c\u1ea3 ba mi\u1ec1n \u0111\u1ec1u tu\u00e2n th\u1ee7 m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c nh\u01b0 nhau. N\u00f3 ch\u1ec9 c\u00f3 \u0111\u00f4i ch\u00fat kh\u00e1c bi\u1ec7t, x\u00ea d\u1ecbch kh\u00f4ng \u0111\u00e1ng k\u1ec3.<\/p>\n
C\u1ee5 th\u1ec3, m\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng ch\u1ecdn t\u1ed1i thi\u1ec3u l\u00e0 2 b\u1ed9 s\u1ed1 v\u00e0 t\u1ed1i \u0111a l\u00e0 4 b\u1ed9 s\u1ed1. C\u00e1ch \u0111\u00e1nh n\u00e0y kh\u00f3 \u0103n h\u01a1n nhi\u1ec1u so v\u1edbi \u0111\u00e1nh l\u00f4, \u0111\u1ec1 th\u00f4ng th\u01b0\u1eddng. Tuy nhi\u00ean, gi\u1ea3i th\u01b0\u1edfng si\u00eau to kh\u1ed5ng l\u1ed3 c\u1ee7a n\u00f3 ch\u00ednh l\u00e0 c\u00e1i khi\u1ebfn gi\u1ea3i n\u00e0y tr\u1edf n\u00ean v\u00f4 c\u00f9ng h\u1ea5p d\u1eabn.<\/p>\n
Mu\u1ed1n t\u0103ng t\u1ef7 l\u1ec7 \u0111\u00e1nh tr\u00fang, b\u1ea1n c\u1ea7n n\u1eafm \u0111\u01b0\u1ee3c x\u00e1c su\u1ea5t tr\u00fang l\u00f4 xi\u00ean. T\u1eeb \u0111\u00f3, \u0111\u01b0a ra nh\u1eefng \u201cchi\u1ebfn l\u01b0\u1ee3c \u0111\u00e1nh l\u00f4\u201d hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n
Trong \u0111\u00e1nh l\u00f4 xi\u00ean c\u1ee7a mi\u1ec1n B\u1eafc, ch\u00fang ta c\u00f3 27 con l\u00f4 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 27 gi\u1ea3i. X\u00e1c su\u1ea5t \u0111\u1ec3 tr\u00fang 1 con lo l\u00e0 27% n\u1ebfu b\u1ea1n t\u00ednh 27 k\u1ebft qu\u1ea3 \u0111\u00f3 l\u00e0 kh\u00e1c nhau. Nh\u01b0ng theo nh\u1eefng th\u00e1nh l\u00f4 \u0111\u1ec1 t\u1ed5ng k\u1ebft k\u1ebft qu\u1ea3 trong nhi\u1ec1u n\u0103m, x\u00e1c su\u1ea5t tr\u00fang trong th\u1ef1c t\u1ebf ch\u1ec9 l\u00e0 21,5 %.<\/p>\n
T\u1eeb \u0111\u00f3, ch\u00fang ta c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00ednh \u0111\u01b0\u1ee3c x\u00e1c su\u1ea5t \u0103n l\u00f4 xi\u00ean 2, l\u00f4 xi\u00ean 2 v\u00e0 xi\u00ean 4 trong th\u1ef1c t\u1ebf nh\u01b0 sau:<\/p>\n
21,5% x 21,5% = 0,0462 = 4,6%<\/p>\n
21,5% x 21,5% x 21,5% = 0,00994 = 0,994%<\/p>\n
21,5% x 21,5% x 21,5% x 21,5% = 0,002136751 = 0,02%<\/p>\n
C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng, x\u00e1c su\u1ea5t tr\u00fang l\u00f4 xi\u00ean l\u00e0 r\u1ea5t th\u1ea5p. Do \u0111\u00f3, b\u1ea1n c\u1ea7n c\u00e2n nh\u1eafc th\u1eadt k\u1ef9 l\u01b0\u1ee1ng tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh \u201c\u0111\u1ea7u t\u01b0\u201d v\u00e0 theo \u0111u\u1ed5i con \u0111\u01b0\u1eddng n\u00e0y.<\/p>\n
<\/p>\n
C\u00e1ch \u0111\u00e1nh l\u00f4 xi\u00ean d\u1ef1a theo nh\u1eefng th\u1ed1ng k\u00ea c\u1ee7a k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc nhi\u1ec1u n\u0103m qua l\u00e0 h\u01b0\u1edbng \u0111i hi\u1ec7u qu\u1ea3. C\u00e1c \u201cchuy\u00ean gia l\u00f4 \u0111\u1ec1\u201d cho hay, m\u1ed9t con s\u1ed1 th\u01b0\u1eddng \u0111i k\u00e8m m\u1ed9t con s\u1ed1 kh\u00e1c trong k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1. \u0110\u00e2y ch\u00ednh l\u00e0 h\u01b0\u1edbng \u0111i hi\u1ec7u qu\u1ea3 \u0111\u1ec3 b\u1ea1n ch\u1ecdn cho m\u00ecnh nh\u1eefng c\u1eb7p s\u1ed1 ph\u00f9 h\u1ee3p.<\/p>\n
C\u00e1c c\u1eb7p l\u00f4 xi\u00ean th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n v\u1edbi nhau nh\u1ea5t ph\u1ea3i k\u1ec3 \u0111\u1ebfn nh\u1eefng s\u1ed1 sau: 75 – 79 – 92 – 95 – 373 – 565. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c ghi nh\u1eadn qua r\u1ea5t nhi\u1ec1u ng\u00e0y th\u1ed1ng k\u00ea k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1. B\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec3m qua m\u1ed9t v\u00e0i ng\u00e0y nh\u01b0 sau:<\/p>\n
Do \u0111\u00f3, hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1ch \u0111\u00e1nh l\u00f4 xi\u00ean n\u00e0y th\u1ef1c s\u1ef1 r\u1ea5t \u0111\u00e1ng n\u1ec3. B\u1ea1n n\u00ean xem x\u00e9t \u0111\u1ec3 \u0111\u01b0a ra chi\u1ebfn l\u01b0\u1ee3c ph\u00f9 h\u1ee3p nh\u00e9.<\/p>\n
C\u00f3 m\u1ed9t s\u1ed1 quy lu\u1eadt m\u00e0 c\u00e1c th\u00e1nh l\u00f4 \u0111\u1ec1 \u0111\u00e3 ghi nh\u1eadn. Nh\u1eefng \u0111i\u1ec1u n\u00e0y s\u1ebd gi\u00fap \u00edch r\u1ea5t nhi\u1ec1u cho b\u1ea1n trong vi\u1ec7c tr\u1edf th\u00e0nh m\u1ed9t th\u00e1nh l\u00f4 \u0111\u1ec1 th\u1ebf h\u1ec7 m\u1edbi \u0111\u1ea5y.<\/p>\n
Hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1ch \u0111\u00e1nh l\u00f4 xi\u00ean n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi ghi nh\u1eadn. \u0110\u00f3 ch\u00ednh l\u00e0 nh\u1edd nh\u1eefng th\u1ed1ng k\u00ea \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 k\u1ebft qu\u1ea3 l\u00f4 m\u1ed7i ng\u00e0y.<\/p>\n
Nh\u1eefng c\u1eb7p l\u00f4 th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi nhau c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0 sau:<\/p>\n
N\u1ebfu b\u1ea1n c\u00f2n b\u0103n kho\u0103n, h\u00e3y th\u1eed d\u00f2 l\u1ea1i k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 t\u1eebng ng\u00e0y. B\u1ea1n s\u1ebd nh\u1eadn ra nh\u1eefng c\u1eb7p s\u1ed1 n\u00e0y th\u01b0\u1eddng xuy\u00ean \u0111i v\u1edbi nhau \u0111\u1ea5y.<\/p>\n
Ngo\u00e0i nh\u1eefng c\u00e1ch tr\u00ean, l\u00e0ng l\u00f4 xi\u00ean c\u0169ng c\u00f3 m\u1ed9t v\u00e0i m\u1eb9o nh\u1ecf n\u1eefa. B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o \u0111\u1ec3 th\u1ef1c h\u00e0nh nh\u00e9:<\/p>\n
Nh\u1eefng c\u00e1ch n\u00e0y \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 c\u00f3 hi\u1ec7u qu\u1ea3 cao. N\u1ebfu b\u1ea1n \u0111ang mu\u1ed1n t\u0103ng t\u1ef7 l\u1ec7 tr\u00fang l\u00f4 xi\u00ean, h\u00e3y \u00e1p d\u1ee5ng nh\u1eefng c\u00e1ch n\u00e0y nh\u00e9.<\/p>\n