L\u00f4 xi\u00ean quay l\u00e0 g\u00ec?<\/b><\/span><\/h2>\nL\u00f4 xi\u00ean quay l\u00e0 h\u00ecnh th\u1ee9c ch\u01a1i l\u00f4 \u0111\u1ec1 b\u1eb1ng c\u00e1ch \u0111\u00e1nh nhi\u1ec1u con l\u00f4 trong m\u1ed9t l\u1ea7n \u0111\u00e1nh. \u0110i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 tr\u00fang gi\u1ea3i l\u00e0 ph\u1ea3i ch\u01a1i m\u1ed9t l\u00fac 2, 3 th\u1eadm ch\u00ed l\u00e0 4 con l\u00f4. V\u00e0 nh\u1eefng con s\u1ed1 n\u00e0y b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f9ng c\u00f3 trong b\u1ea3ng k\u1ebft qu\u1ea3.<\/p>\n
Nh\u01b0 \u0111\u00e3 n\u00f3i x\u00e1c su\u1ea5t tr\u00fang l\u00f4 xi\u00ean l\u00e0 th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i l\u00f4 \u0111\u1ec1 kh\u00e1c nh\u01b0 b\u1ea1ch th\u1ee7 l\u00f4, song th\u1ee7 l\u00f4\u2026 Tuy nhi\u00ean v\u00ec m\u00f3n ti\u1ec1n h\u1ea5p d\u1eabn t\u1eeb gi\u1ea3i th\u01b0\u1edfng khi b\u1ea1n tr\u00fang gi\u1ea3i c\u0169ng \u0111\u1ee7 l\u00e0m tr\u00e1i tim ng\u01b0\u1eddi ch\u01a1i lung lay.<\/p>\n
V\u1eady n\u00ean nhi\u1ec7m v\u1ee5 c\u1ee7a b\u1ea1n trong tr\u00f2 ch\u01a1i c\u00e1 c\u01b0\u1ee3c mang t\u00ednh may r\u1ee7i n\u00e0y l\u00e0 h\u00e3y hi\u1ec3u h\u1ebft v\u1ec1 c\u00e1ch ch\u01a1i, c\u00e1ch t\u00ednh l\u00f4 xi\u00ean quay<\/b>. V\u00e0 n\u1eafm trong tay m\u1ed9t v\u00e0i kinh nghi\u1ec7m \u0111\u00e1nh l\u00f4 xi\u00ean quay kh\u00f4ng s\u1ee3 l\u1ed7. C\u00f3 nh\u01b0 v\u1eady, th\u00ec x\u00e1c su\u1ea5t tr\u00fang gi\u1ea3i c\u1ee7a b\u1ea1n s\u1ebd t\u0103ng l\u00ean tr\u00f4ng th\u1ea5y.<\/p>\nC\u00e1ch t\u00ednh l\u00f4 xi\u00ean quay<\/b><\/span><\/h2>\n<\/p>\n
\u0110\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1ch ch\u01a1i hi\u1ec7u qu\u1ea3 v\u00e0 n\u00e2ng cao x\u00e1c su\u1ea5t chi\u1ebfn th\u1eafng khi ch\u01a1i l\u00f4 xi\u00ean quay. Ng\u01b0\u1eddi ch\u01a1i n\u00ean hi\u1ec3u r\u00f5 2 c\u00e1ch t\u00ednh l\u00f4 xi\u00ean quay<\/b> nh\u01b0 sau:<\/p>\nC\u00e1ch t\u00ednh x\u00e1c su\u1ea5t tr\u00fang l\u00f4 xi\u00ean<\/b><\/span><\/h3>\nTrong l\u00f4 \u0111\u1ec1 mi\u1ec1n b\u1eafc c\u00f3 t\u1ed5ng c\u1ed9ng 27 gi\u1ea3i. V\u1eady n\u00ean x\u00e1c su\u1ea5t khi \u0111\u00e1nh 1 con l\u00f4 l\u00e0 23.76%. C\u00f3 th\u1ec3 th\u1ea5y \u0111\u1ec3 tr\u00fang \u0111\u01b0\u1ee3c 1 con l\u00f4 l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f3 r\u1ed3i. B\u1edfi v\u00ec b\u00ecnh qu\u00e2n g\u1ea7n 5 s\u1ed1 m\u1edbi c\u00f3 1 s\u1ed1 tr\u00fang.<\/p>\n
\n- \u0110\u00e1nh l\u00f4 xi\u00ean 2: 23,76% x 23,76% = 0,0564 = 5.6%.<\/li>\n
- \u0110\u00e1nh l\u00f4 xi\u00ean 3: 21,5% x 21,5% x 21,5% = 0.0134 = 1.34%<\/li>\n<\/ul>\n
Th\u01b0\u1eddng th\u00ec \u1edf ngo\u00e0i l\u00f4 xi\u00ean 2 \u0103n 10, xi\u00ean 3 \u0103n 40.<\/p>\n
V\u1eady n\u00ean, ng\u01b0\u1eddi ch\u01a1i n\u00ean chu\u1ea9n b\u1ecb s\u1ed1 v\u1ed1n c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 th\u1ec3 ch\u01a1i \u0111\u01b0\u1ee3c lo\u1ea1i h\u00ecnh l\u00f4 \u0111\u1ec1 n\u00e0y. V\u00e0 d\u00f9 cho c\u00f3 b\u1ecb thua th\u00ec s\u1ed1 v\u1ed1n n\u00e0y m\u1ea5t \u0111i c\u0169ng s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn cu\u1ed9c s\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n
C\u00e1ch t\u00ednh ti\u1ec1n l\u00f4 xi\u00ean quay<\/b><\/span><\/h3>\nT\u00ednh nh\u01b0 c\u00e1ch tr\u00ean t\u1ee9c l\u00e0:<\/p>\n