Ch\u01a1i l\u00f4 \u0111\u1ec1 sao cho hi\u1ec7u qu\u1ea3 lu\u00f4n l\u00e0 b\u00e0i to\u00e1n. Vi\u1ec7c n\u00e0y c\u1ea7n ng\u01b0\u1eddi ch\u01a1i c\u00f3 m\u1ed9t c\u00e1i \u0111\u1ea7u t\u1ec9nh t\u00e1o, v\u1eadn d\u1ee5ng nhi\u1ec1u c\u00e1ch ch\u01a1i \u0111\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c b\u1ed9 s\u1ed1 may m\u1eafn nh\u1ea5t. V\u1eady n\u00ean vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1ch ch\u01a1i r\u1ea5t quan tr\u1ecdng, c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn 90% k\u1ebft qu\u1ea3 chung cu\u1ed9c b\u1ea1n c\u00f3 th\u1eafng hay kh\u00f4ng. C\u00f2n 10% c\u00f2n l\u1ea1i l\u00e0 ph\u1ea7n c\u1ee7a may m\u1eafn v\u00e0 xem linh c\u1ea3m c\u1ee7a b\u1ea1n c\u00f3 th\u1ef1c s\u1ef1 t\u1ed1t hay kh\u00f4ng. Gi\u1eefa r\u1ea5t nhi\u1ec1u c\u00e1ch ch\u01a1i l\u00f4 \u0111\u1ec1 \u0111\u01b0\u1ee3c truy\u1ec1n th\u1ee5 l\u1ea1i t\u1eeb nh\u1eefng b\u1eadc th\u1ea7y gi\u00e0u kinh nghi\u1ec7m th\u00ec c\u00f3 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh \u0111\u1ea7u \u0111u\u00f4i r\u1ea5t \u0111\u01b0\u1ee3c anh em \u01b0a chu\u1ed9ng. H\u00f4m nay, c\u00f9ng kh\u00e1m ph\u00e1 \u0111\u00e1nh \u0111\u1ea7u \u0111u\u00f4i l\u00e0 sao<\/b> v\u00e0 c\u00e1ch ch\u01a1i n\u00e0y hi\u1ec7u qu\u1ea3 nh\u01b0 th\u1ebf n\u00e0o nh\u00e9.<\/p>\n\u0110\u00e1nh \u0111\u1ea7u \u0111u\u00f4i l\u00e0 sao?<\/b><\/h2>\n
\u0110\u00e1nh \u0111\u1ea7u \u0111u\u00f4i l\u00e0 c\u00e1ch ch\u01a1i l\u00f4 \u0111\u1ec1 c\u00f3 t\u1ef7 l\u1ec7 tr\u00fang cao nh\u1ea5t hi\u1ec7n nay. N\u00ean c\u00e1ch \u0111\u00e1nh n\u00e0y c\u00f3 \u0111\u1ed9 kh\u00f3 t\u01b0\u01a1ng \u0111\u1ed1i cao, kh\u00f4ng ph\u1ea3i ai c\u0169ng n\u1eafm b\u1eaft h\u1ebft \u0111\u01b0\u1ee3c. \u0110\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u00e1nh \u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i l\u00e0 g\u00ec, ta t\u00ecm hi\u1ec3u c\u1ee5 th\u1ec3 v\u1ec1 2 c\u00e1ch \u0111\u00e1nh ch\u00ednh c\u1ee7a n\u00f3:<\/p>\n
\u0110\u00e1nh \u0111\u1ea7u \u0111u\u00f4i trong s\u1ed1 \u0111\u1ec1:<\/b><\/h3>\n
\u0110\u1ec1 l\u00e0 2 s\u1ed1 cu\u1ed1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t trong k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1. S\u1ed1 h\u00e0ng ch\u1ee5c g\u1ecdi l\u00e0 \u0111\u1ea7u \u0111\u1ec1, s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb g\u1ecdi l\u00e0 \u0111u\u00f4i (\u0111\u00edt) \u0111\u1ec1. \u0110\u00e1nh \u0111\u1ec1 \u0111\u1ea7u \u0111u\u00f4i l\u00e0 vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u1ea7u ho\u1eb7c \u0111u\u00f4i con \u0111\u1ec1 s\u1ebd v\u1ec1 m\u00e0 kh\u00f4ng c\u1ea7n \u0111o\u00e1n tr\u00fang c\u1ea3 c\u1eb7p s\u1ed1 \u0111\u1ec1 s\u1ebd v\u1ec1.<\/p>\n
V\u00ed d\u1ee5:<\/strong> k\u1ebft qu\u1ea3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t h\u00f4m nay l\u00e0 78334 th\u00ec 34 l\u00e0 s\u1ed1 \u0111\u1ec1. B\u1ea1n ch\u1ec9 c\u1ea7n x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u00fang \u0111\u1ea7u \u0111\u1ec1 l\u00e0 3 ho\u1eb7c \u0111u\u00f4i \u0111\u1ec1 l\u00e0 4 m\u00e0 kh\u00f4ng c\u1ea7n tr\u00fang c\u1ea3 c\u1eb7p 34 n\u00e0y.<\/p>\n V\u00ed d\u1ee5:<\/strong> gi\u1ea3i \u0111\u1eb7c bi\u1ec7t h\u00f4m nay c\u00f3 d\u1ea1ng ABCDE (bao g\u1ed3m c\u1ea3 tr\u01b0\u1eddng h\u1ee3p c\u00e1c s\u1ed1 tr\u00f9ng nhau). N\u1ebfu ng\u01b0\u1eddi ch\u01a1i \u0111o\u00e1n \u0111\u00fang AB s\u1ebd v\u1ec1 \u0111\u1ea7u c\u1ee7a gi\u1ea3i t\u1ee9c l\u00e0 \u0111\u00e3 tr\u00fang \u0111\u1ec1 \u0111\u1ea7u gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. C\u00f2n n\u1ebfu ng\u01b0\u1eddi ch\u01a1i \u0111o\u00e1n \u0111\u00fang DE s\u1ebd v\u1ec1 \u0111\u1ec1 t\u1ee9c l\u00e0 \u0111o\u00e1n tr\u00fang \u0111u\u00f4i \u0111\u1ec1 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. T\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 hi\u1ec3u, \u0111\u1ec1 \u0111\u1ea7u l\u00e0 2 s\u1ed1 t\u1ea1i v\u1ecb tr\u00ed 1 v\u00e0 2 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t (c\u1ea3 3 mi\u1ec1n). C\u00f2n \u0111u\u00f4i \u0111\u1ec1 l\u00e0 2 s\u1ed1 v\u1ecb tr\u00ed 4, 5 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc v\u00e0 v\u1ecb tr\u00ed s\u1ed1 5, 6 c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t x\u1ed5 s\u1ed1 mi\u1ec1n Nam.<\/p>\n V\u00ec l\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u1ec5 tr\u00fang nh\u1ea5t n\u00ean r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1 quan t\u00e2m \u0111\u00e1nh \u0111\u1ea7u \u0111u\u00f4i l\u00e0 sao<\/b> v\u00e0 \u0111\u00e1nh \u0111\u1ea7u \u0111u\u00f4i \u0103n th\u00ec tr\u00fang bao nhi\u00eau ti\u1ec1n. C\u00e1ch t\u00ednh n\u1ebfu tr\u00fang gi\u1ea3i nh\u01b0 sau:<\/p>\n Khi l\u00f4 \u0111\u1ea7u ti\u00ean x\u1ed5 s\u1ed1, l\u1ed3ng c\u1ea7u quay 2 l\u1ed3ng, m\u1ed7i l\u1ed3ng 10 tr\u00e1i banh \u0111\u00e1nh s\u1ed1 t\u1eeb 0-9. Khi quay m\u1ed7i l\u1ed3ng ch\u1ec9 r\u01a1i ng\u1eabu nhi\u00ean 1 tr\u00e1i, 2 l\u1ed3ng s\u1ebd \u0111\u01b0\u1ee3c 2 tr\u00e1i gh\u00e9p l\u1ea1i cho ra con s\u1ed1 t\u1eeb 00 \u0111\u1ebfn 99. \u0110\u00e2y l\u00e0 s\u1ed1 \u0111\u1ea7u. Khi x\u1ed5 s\u1ed1 l\u00f4 \u0111\u1ed9c \u0111\u1eafc cu\u1ed1i c\u00f9ng 5 l\u1ed3ng c\u1ea7u th\u00ec trong k\u1ebft qu\u1ea3 5 s\u1ed1 \u0111\u00f3 s\u1ed1 h\u00e0ng ch\u1ee5c v\u00e0 s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb gh\u00e9p l\u1ea1i th\u00e0nh s\u1ed1 \u0111u\u00f4i.<\/p>\n V\u1edbi s\u1ed1 \u0111\u1ec1 c\u01b0\u1ee3c 1 \u0111\u1ed3ng th\u00ec thua s\u1ebd m\u1ea5t 1 \u0111\u1ed3ng, c\u00f2n tr\u00fang s\u1ebd tr\u00fang t\u1eeb 60-73 \u0111\u1ed3ng t\u00f9y t\u1eebng khu v\u1ef1c, th\u01b0\u1eddng th\u1ea5y l\u00e0 70 \u0111\u1ed3ng. V\u00ed d\u1ee5 ng\u01b0\u1eddi ch\u01a1i c\u01b0\u1ee3c con 34 v\u1edbi 10.000VND, khi tr\u01b0\u1ee3t s\u1ebd m\u1ea5t 10.000VND (ch\u1ee7 \u0111\u1ec1 \u0103n \u0111\u01b0\u1ee3c s\u1ed1 ti\u1ec1n n\u00e0y), c\u00f2n n\u1ebfu tr\u00fang s\u1ebd \u0111\u01b0\u1ee3c 10.000\u00d770= 700.000VND (ch\u1ee7 \u0111\u1ec1 l\u1ed7 690.000VND).<\/p>\n\u0110\u00e1nh \u0111\u1ea7u \u0111u\u00f4i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t:<\/b><\/h3>\n
\u0110\u00e1nh \u0111\u1ea7u \u0111u\u00f4i \u0103n bao nhi\u00eau ti\u1ec1n?<\/b><\/h2>\n