c\u00e1ch ch\u01a1i x\u00f3c \u0111\u0129a gi\u1ecfi<\/span><\/a><\/blockquote>\nNg\u01b0\u1eddi ch\u01a1i Vietlott n\u00ean bi\u1ebft c\u00e1ch t\u00ednh x\u00e1c su\u1ea5t tr\u00fang th\u01b0\u1edfng<\/p>\n
C\u00f4ng th\u1ee9c t\u00ednh x\u00e1c su\u1ea5t Vietlott \u0111\u00fang nh\u1ea5t<\/figcaption><\/figure>\n<\/span>1.3. C\u00f4ng th\u1ee9c t\u00ednh x\u00e1c su\u1ea5t Vietlott Max 4D<\/span><\/h3>\nMax 4D c\u00f3 b\u1ed9 s\u1ed1 0000 \u0111\u1ebfn 9999 n\u00ean x\u00e1c su\u1ea5t tr\u00fang c\u1ee7a m\u1ed9t b\u1ed9 s\u1ed1 s\u1ebd l\u00e0 1\/10000. V\u1edbi v\u00e9 10.000\u0111 Max 4D b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c tr\u1ea3 th\u01b0\u1edfng 15 tri\u1ec7u, t\u1ee9c l\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng t\u1ef7 l\u1ec7 1 \u0103n 1500. Max 4D c\u00f3 t\u1ed5 h\u1ee3p t\u01b0\u01a1ng \u0111\u1ed1i ph\u1ee9c t\u1ea1p cho ng\u01b0\u1eddi ch\u01a1i. \u0110\u1ec3 th\u1eafng gi\u1ea3i h\u00ecnh th\u1ee9c ch\u01a1i n\u00e0y b\u1ea1n c\u1ea7n hi\u1ec3u v\u1ec1 h\u00ecnh th\u1ee9c t\u1ed5 h\u1ee3p c\u1ee7a n\u00f3. V\u00ed d\u1ee5, coi m\u1ed9t b\u1ed9 s\u1ed1 4 s\u1ed1 c\u00f3 k\u00fd t\u1ef1 ABCD b\u1ea1n s\u1ebd c\u00f3 nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 sau:<\/p>\n
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\n- A=B=C=D t\u1ee9c l\u00e0 4 s\u1ed1 gi\u1ed1ng nhau, v\u00ed d\u1ee5 nh\u01b0 s\u1ed1 5555 th\u00ec t\u1ed5 h\u1ee3p c\u01a1 b\u1ea3n nh\u01b0 nhau n\u00ean t\u1ef7 l\u1ec7 \u0103n v\u1eabn l\u00e0 1 \u0103n 1500<\/li>\n
- A kh\u00e1c nh\u01b0ng B = C = D, ch\u1eb3ng h\u1ea1n b\u1ed9 s\u1ed1 0555 th\u00ec l\u00fac n\u00e0y ch\u00fang ta c\u00f3 4 b\u1ed9 s\u1ed1 l\u00e0 s\u1ed1 0222, 2022, 2220 v\u00e0 2202 n\u00ean x\u00e1c su\u1ea5t tr\u00fang c\u00f2n 4\/10.000 l\u00e0 1\/2500, gi\u1ea3i th\u01b0\u1edfng l\u00fac n\u00e0y ch\u1ec9 l\u00e0 7.500.000\u0111, t\u1ee9c l\u00e0 t\u1ef7 l\u1ec7 1 \u0103n 750<\/li>\n
- A = B v\u00e0 C=D, ch\u1eb3ng h\u1ea1n b\u1ed9 s\u1ed1 5577, b\u00e2y gi\u1edd b\u1ea1n s\u1ebd c\u00f3 6 b\u1ed9 s\u1ed1 l\u00e0\u00a0 5577, 7755, 5757, 7575 , 5775 v\u00e0 7557. B\u00e2y gi\u1edd t\u1ef7 l\u1ec7 tr\u00fang l\u00e0 6\/10.000 = 1\/1667, t\u1ef7 l\u1ec7 tr\u00fang l\u00e0 1 \u0103n 500<\/li>\n
- A=B v\u00e0 kh\u00e1c C kh\u00e1c D tr\u01b0\u1eddng h\u1ee3p n\u00e0y ta c\u00f3 12 t\u1ed5 h\u1ee3p s\u1ed1, t\u1ee9c l\u00e0 x\u00e1c su\u1ea5t tr\u00fang b\u00e2y gi\u1edd ch\u1ec9 c\u00f2n 12\/10.000 = 1\/833 v\u00e0 t\u1ef7 l\u1ec7 \u0103n l\u00e0 1 \u0103n 250<\/li>\n
- A, B, C, D l\u00e0 nh\u1eefng s\u1ed1 kh\u00e1c nhau l\u00fac n\u00e0y ng\u01b0\u1eddi ch\u01a1i s\u1ebd c\u00f3 t\u1ed5 h\u1ee3p 24 b\u1ed9 s\u1ed1 n\u00ean kh\u1ea3 n\u0103ng tr\u00fang th\u01b0\u1edfng ch\u1ec9 24\/10.000 t\u1ee9c l\u00e0 1\/417. X\u00e1c su\u1ea5t ti\u1ec1n th\u01b0\u1edfng l\u00fac n\u00e0y ch\u1ec9 c\u00f2n 1 \u0103n 120<\/li>\n<\/ul>\n<\/div><\/div>\n