{"id":17936,"date":"2024-04-25T07:58:14","date_gmt":"2024-04-25T07:58:14","guid":{"rendered":"https:\/\/soicau4049.minhngocxoso.com\/?p=17936"},"modified":"2024-07-27T16:46:40","modified_gmt":"2024-07-27T09:46:40","slug":"cach-danh-lo-xien-chinh-xac-va-hieu-qua-nhat","status":"publish","type":"post","link":"https:\/\/loxien2hayve.com\/cach-danh-lo-xien-chinh-xac-va-hieu-qua-nhat\/","title":{"rendered":"c\u00e1ch \u0111\u00e1nh l\u00f4 xi\u00ean ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t"},"content":{"rendered":"\n

L\u00e0m sao \u0111\u1ec3 c\u00f3 c\u00e1ch \u0111\u00e1nh l\u00f4 xi\u00ean ch\u00ednh x\u00e1c l\u00e0 suy ngh\u0129 c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i \u0111\u1ec1 v\u00ec l\u00f4 xi\u00ean l\u00e0 h\u00ecnh th\u1ee9c c\u00f3 gi\u1ea3i th\u01b0\u1edfng \u0103n r\u1ea5t cao nh\u01b0ng \u0111\u1ec3 c\u00f3 c\u01a1 h\u1ed9i tr\u00fang th\u00ec r\u1ea5t th\u1ea5p. H\u00f4m nay ad s\u1ebd cho c\u00e1c b\u1ea1n bi\u1ebft v\u00e0 tham kh\u1ea3o th\u00eam v\u1ec1 c\u00e1ch b\u1eaft l\u00f4 xi\u00ean, m\u1eddi c\u00e1c b\u1ea1n tham kh\u1ea3o.<\/p>\n\n\n\n

C\u00e1ch \u0111\u00e1nh l\u00f4 xi\u00ean v\u00e0 c\u00e1ch t\u00ednh xi\u00ean x\u00e1c xu\u1ea5t hay nh\u1ea5t<\/h2>\n\n\n\n

Khi \u0111\u00e1nh l\u00f4 mi\u1ec1n b\u1eafc c\u00f3 27 gi\u1ea3i, Nh\u01b0ng th\u1ef1c ra c\u00e1c s\u1ed1 tr\u00f9ng nhau n\u00ean ch\u00ednh x\u00e1c l\u00e0 21,6 s\u1ed1 , m\u00ecnh c\u1ee9 t\u00ednh 21,5. V\u1eady khi \u0111\u00e1nh l\u00f4 xi\u00ean 1 x\u00e1c xu\u1ea5t tr\u00f9ng l\u00e0 21,5% , ch\u1ee9 kh\u00f4ng ph\u1ea3i 27%. \u0110\u00f3 l\u00e0 vi\u1ec7c t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f3 r\u1ed3i, v\u00ec b\u00ecnh qu\u00e2n 5 s\u1ed1 m\u1edbi c\u00f3 1 s\u1ed1 tr\u00fang.<\/p>\n\n\n\n

\u0110\u00e1nh l\u00f4 xi\u00ean 2: 21,5% x 21,5% = 0,0462 = 4,6%.<\/p>\n\n\n\n

\u0110\u00e1nh l\u00f4 xi\u00ean 3: 21,5% x 21,5% x 21,5% = 00994 = 0,994%<\/p>\n\n\n\n

Th\u01b0\u1eddng \u1edf ngo\u00e0i l\u00f4 xi\u00ean 2 \u0103n 10, xi\u00ean 3 \u0103n 40.<\/p>\n\n\n\n