{"id":18779,"date":"2024-03-22T02:41:14","date_gmt":"2024-03-22T02:41:14","guid":{"rendered":"https:\/\/soicau1100.minhngocxoso.com\/?p=18779"},"modified":"2024-03-22T02:41:14","modified_gmt":"2024-03-22T02:41:14","slug":"lo-kep-la-gi-kep-lech-kep-bang-sat-kep-gom-nhung-so-nao","status":"publish","type":"post","link":"https:\/\/xosobachthulo88.com\/lo-kep-la-gi-kep-lech-kep-bang-sat-kep-gom-nhung-so-nao\/","title":{"rendered":"L\u00f4 k\u00e9p l\u00e0 g\u00ec? K\u00e9p l\u1ec7ch, k\u1eb9p b\u1eb1ng, s\u00e1t k\u00e9p g\u1ed3m nh\u1eefng s\u1ed1 n\u00e0o"},"content":{"rendered":"

K\u00e9p l\u1ec7ch, k\u00e9p b\u1eb1ng, s\u00e1t k\u00e9p, k\u00e9p \u00e2m l\u00e0 g\u00ec l\u00e0 v\u1ea5n \u0111\u1ec1 m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi trong l\u00e0ng l\u00f4 \u0111\u1ec1. Ch\u00fang g\u1ed3m nh\u1eefng b\u1ed9 s\u1ed1 n\u00e0o v\u00e0 c\u00e1ch ch\u01a1i ra sao? C\u00f9ng  gi\u1ea3i \u0111\u00e1p t\u1ea5t c\u1ea3 nh\u1eefng kh\u00e1i ni\u1ec7m, c\u00e1ch ch\u01a1i, c\u00e1ch soi n\u00e0y trong b\u00e0i vi\u1ebft!<\/span><\/p>\n

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K\u00e9p l\u1ec7ch g\u1ed3m nh\u1eefng s\u1ed1 n\u00e0o? B\u1ed9 s\u00f3 k\u00e9p b\u1eb1ng, s\u00e1t k\u00e9p, k\u00e9p \u00e2m ch\u01a1i nh\u01b0 th\u1ebf n\u00e0o? Ch\u01a1i b\u1ed9 s\u1ed1 k\u00e9p th\u1ebf n\u00e0o \u0111\u1ec3 d\u1ec5 h\u00fap nh\u1ea5t? B\u1ed9 s\u1ed1 k\u00e9p kh\u00e1 quen thu\u1ed9c trong l\u00e0ng l\u00f4 \u0111\u1ec1, th\u1ebf nh\u01b0ng th\u1ef1c t\u1ebf l\u1ea1i c\u00f3 kh\u00f4ng \u00edt ng\u01b0\u1eddi kh\u00f4ng bi\u1ebft b\u1ed9 s\u1ed1 k\u00e9p g\u1ed3m c\u00e1c s\u1ed1 n\u00e0o v\u00e0 c\u00f3 bao nhi\u00eau con, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi ch\u01a1i. Trong b\u00e0i vi\u1ebft n\u00e0y, s\u1ebd c\u00f9ng b\u1ea1n \u0111\u1ecdc gi\u1ea3i \u0111\u00e1p t\u1ea5t t\u1ea7n t\u1eadt v\u1ec1 b\u1ed9 s\u1ed1 k\u00e9p.<\/span><\/p>\n

1. L\u00f4 k\u00e9p l\u00e0 g\u00ec?<\/span><\/h2>\n

Tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1ch b\u1eaft l\u00f4 k\u00e9p, ng\u01b0\u1eddi ch\u01a1i c\u1ea7n hi\u1ec3u con l\u00f4 n\u00e0y ngh\u0129a l\u00e0 g\u00ec. Trong l\u00f4 \u0111\u1ec1, k\u00e9p ch\u00ednh l\u00e0 2 c\u1eb7p s\u1ed1 \u0111\u01b0\u1ee3c gh\u00e9p l\u1ea1i v\u1edbi nhau (c\u00e1c c\u1eb7p s\u1ed1 \u0111\u00f3 n\u1eb1m trong d\u00e3y t\u1eeb 00, 11,\u2026, 88, 99) t\u1ea1o n\u00ean 1 c\u1eb7p l\u00f4 k\u00e9p. Trong l\u00f4 k\u00e9p X\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc, l\u00f4 k\u00e9p g\u1ed3m 4 lo\u1ea1i v\u00e0 m\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 c\u00e1ch gh\u00e9p kh\u00e1c nhau, cho ra c\u00e1c c\u1eb7p l\u00f4 kh\u00e1c nhau.<\/span><\/p>\n

2. C\u00e1ch lo\u1ea1i l\u00f4 k\u00e9p<\/span><\/h2>\n

K\u00e9p b\u1eb1ng<\/span><\/h3>\n

K\u00e9p l\u1ec7ch \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb k\u00e9p b\u1eb1ng, ch\u00ednh v\u00ec th\u1ebf tr\u01b0\u1edbc c\u1ea7n ph\u1ea3i t\u00ecm hi\u1ec3u \u0111\u1ecbnh ngh\u0129a v\u1ec1 lo\u1ea1i n\u00e0y.<\/span><\/p>\n

M\u1ed9t trong nh\u1eefng ki\u1ec3u b\u1ed9 s\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1eeb r\u1ea5t l\u00e2u \u0111\u1eddi v\u00e0 r\u1ed9ng r\u00e3i trong l\u00f4 \u0111\u1ec1 ch\u00ednh l\u00e0 b\u1ed9 s\u1ed1 k\u00e9p. T\u1eeb t\u00ean g\u1ecdi k\u00e9p b\u1eb1ng, c\u00f3 l\u1ebd \u0111\u00e2u \u0111\u00f3 b\u1ea1n c\u0169ng m\u01b0\u1eddng t\u01b0\u1ee3ng ra r\u1eb1ng b\u1ed9 s\u1ed1 k\u00e9p ch\u00ednh l\u00e0 t\u1ea5t c\u1ea3 nh\u1eefng s\u1ed1 g\u1ed3m 2 ch\u1eef s\u1ed1 gi\u1ed1ng nhau. C\u1ee5 th\u1ec3 c\u00f3 10 b\u1ed9 s\u1ed1 k\u00e9p b\u1eb1ng, \u0111\u00f3 l\u00e0: 00, 11, \u2026, 88, 99.<\/span><\/p>\n

C\u00e1ch lo\u1ea1i l\u00f4 k\u00e9p<\/span><\/h6>\n

D\u1ef1a v\u00e0o k\u00e9p b\u1eb1ng, b\u1eb1ng nh\u1eefng c\u00e1ch kh\u00e1c nhau, ng\u01b0\u1eddi ta m\u1edf r\u1ed9ng ra \u0111\u01b0\u1ee3c c\u00e1c b\u1ed9 s\u1ed1 k\u00e9p l\u1ec7ch, s\u00e1t k\u00e9p v\u00e0 k\u00e9p \u00e2m v\u00ec s\u1ef1 c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t tri\u1ec3n s\u00e2n ch\u01a1i l\u00f4 \u0111\u1ec1. Trong ph\u1ea7n ti\u1ebfp theo, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 nh\u1eefng b\u1ed9 k\u00e9p kh\u00e1c.<\/span><\/p>\n

K\u00e9p l\u1ec7ch g\u1ed3m c\u00e1c s\u1ed1 n\u00e0o?<\/span><\/h3>\n

\"\"<\/p>\n

\u0110\u00e2y l\u00e0 c\u00e1c s\u1ed1 b\u00f3ng c\u1ee7a k\u00e9p b\u1eb1ng. \u0110\u01a1n gi\u1ea3n h\u01a1n n\u00f3 l\u00e0 s\u1ed1 g\u1ed3m 2 ch\u1eef s\u1ed1 l\u00e0 b\u00f3ng c\u1ee7a nhau. Ch\u1eb3ng h\u1ea1n, k\u00e9p l\u1ec7ch 05 l\u00e0 b\u00f3ng c\u1ee7a  00, k\u00e9p 16 l\u00e0 b\u00f3ng c\u1ee7a 11, \u2026 l\u1ec7ch 94 l\u00e0 b\u00f3ng c\u1ee7a  99. V\u1eady, ta c\u00f3 t\u1ea5t c\u1ea3 l\u00e0 10 b\u1ed9 k\u00e9p  t\u01b0\u01a1ng \u1ee9ng v\u1edbi 10 b\u1ed9 k\u00e9p b\u1eb1ng, g\u1ed3m: 05 \u2013 50 \u2013 16 \u2013 61 \u2013 27 \u2013 72 \u2013 38 \u2013 83 \u2013 49 \u2013 94. Hay \u00f3c th\u1ec3 vi\u1ebft theo c\u1eb7p l\u00e0 5 b\u1ed9: (05;50), (16;61), (27;72), (38;83), (49;94).<\/span><\/p>\n