Soi c\u1ea7u pascal<\/figcaption><\/figure>\nSoi c\u1ea7u xsmb pascal theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 gi\u1ea3i nh\u1ea5t<\/h2>\n
V\u1edbi c\u00e1ch t\u00ednh n\u00e0y ch\u00fang ta s\u1ebd l\u1ea5y 5 s\u1ed1 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u00e0 5 s\u1ed1 gi\u1ea3i nh\u1ea5t v\u00e0o ng\u00e0y h\u00f4m tr\u01b0\u1edbc \u0111\u1ec3 t\u00ednh s\u1ed1 cho ng\u00e0y h\u00f4m sau.<\/span><\/p>\nV\u00ed d\u1ee5:<\/strong><\/p>\n\n- Gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0: 12345<\/span><\/li>\n
- Gi\u1ea3i nh\u1ea5t l\u00e0: 45678<\/span><\/li>\n<\/ul>\n
Gh\u00e9p l\u1ea1i 2 s\u1ed1 n\u00e0y ta \u0111\u01b0\u1ee3c s\u1ed1 1234545678<\/span><\/p>\nC\u00f4ng th\u1ee9c theo lu\u1eadt pascal ngh\u0129a l\u00e0 2 s\u1ed1 li\u00ean ti\u1ebfp c\u1ed9ng v\u1edbi nhau, n\u1ebfu t\u1ed5ng >, 10 th\u00ec ch\u1ec9 l\u1ea5y h\u00e0ng \u0111\u01a1n v\u1ecb. Li\u00ean t\u1ee5c l\u00e0m nh\u01b0 v\u1eady cho \u0111\u1ebfn khi \u0111\u01b0\u1ee3c s\u1ed1 c\u1ed1i c\u00f9ng m\u1edbi d\u1eebng l\u1ea1i.<\/span><\/p>\n1 + 2 = 3, 2 + 3 = 5, 3 + 4 = 7, 4 + 5 = 9, 5 + 4 = 9, 4 + 5 = 9, 5 + 6 = 11 (l\u1ea5y s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb l\u00e0 1), 6 + 7 = 13 (l\u1ea5y s\u1ed1 3), 7 + 8 = 15 (l\u1ea5y s\u1ed1 5)<\/span><\/p>\nTa s\u1ebd \u0111\u01b0\u1ee3c m\u1ed9t d\u00e3y s\u1ed1 m\u1edbi l\u00e0: 357999135. Ti\u1ebfp t\u1ee5c t\u00ednh theo c\u00f4ng th\u1ee9c nh\u01b0 v\u1eady ta s\u1ebd \u0111\u01b0\u1ee3c nh\u1eefng d\u00e3y s\u1ed1 kh\u00e1c nh\u01b0 sau:<\/span><\/p>\n\n- 82688048<\/span><\/li>\n
- 0846842<\/span><\/li>\n
- 82046<\/span><\/li>\n
- 0240<\/span><\/li>\n
- 264<\/span><\/li>\n
- 80<\/span><\/li>\n<\/ul>\n
V\u1eady 80 ch\u00ednh l\u00e0 k\u1ebft qu\u1ea3 s\u1ed1 m\u00e0 ch\u00fang ta \u0111\u00e3 t\u00ecm \u0111\u01b0\u1ee3c. C\u0103n c\u1ee9 theo k\u1ebft qu\u1ea3 n\u00e0y, anh em ti\u1ebft t\u1ee5c nu\u00f4i l\u00f4 \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng chi\u1ebfn th\u1eafng. V\u1edbi c\u00e1ch t\u00ednh pascal n\u00e0y, t\u1ef7 l\u1ec7 chi\u1ebfn th\u1eafng s\u1ebd cao h\u01a1n r\u1ea5t nhi\u1ec1u. \u0110\u00e2y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 c\u00e1ch t\u00ednh c\u1ea7u l\u00f4 c\u00f3 t\u1ef7 l\u1ec7 th\u1eafng c\u01b0\u1ee3c c\u1ef1c l\u1edbn.<\/span><\/p>\n