Thu\u1eadt ng\u1eef l\u00f4 k\u00e9p ch\u1eb3ng c\u00f2n xa l\u1ea1 g\u00ec v\u1edbi d\u00e2n l\u00f4 \u0111\u1ec1. L\u00f4 k\u00e9p l\u00e0 m\u1ed9t trong nh\u1eefng h\u00ecnh th\u1ee9c ch\u01a1i l\u00f4 \u0111\u1ec1 ph\u1ed5 bi\u1ebfn v\u1edbi nh\u1eefng c\u00e1ch t\u00ednh \u0111\u1ec1 tr\u00f9ng mang l\u1ea1i hi\u1ec7u qu\u1ea3. L\u00f4 k\u00e9p kh\u00f4ng kh\u00f3 hi\u1ec3u c\u0169ng kh\u00f4ng kh\u00f3 ch\u01a1i. Tuy nhi\u00ean, anh em c\u1ea7n ph\u1ea3i n\u1eafm \u0111\u01b0\u1ee3c c\u00e1ch b\u1eaft l\u00f4 k\u00e9p mi\u1ec1n b\u1eafc<\/b> chu\u1ea9n x\u00e1c th\u00ec m\u1edbi c\u00f3 c\u01a1 h\u1ed9i tr\u00fang l\u1edbn. B\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i<\/strong> s\u1ebd gi\u1ea3i th\u00edch chi ti\u1ebft th\u1ebf n\u00e0o l\u00e0 l\u00f4 k\u00e9p c\u0169ng nh\u01b0 nh\u1eefng c\u00e1ch b\u1eaft l\u00f4 k\u00e9p chu\u1ea9n x\u00e1c nh\u1ea5t.<\/p>\n Tr\u01b0\u1edbc khi soi c\u1ea7u <\/strong>ch\u00ednh x\u00e1c mi\u1ec5n ph\u00ed v\u00e0 t\u00ecm hi\u1ec3u c\u00e1ch b\u1eaft l\u00f4 k\u00e9p<\/b> chu\u1ea9n th\u00ec anh em c\u1ea7n n\u1eafm \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 l\u00f4 k\u00e9p. Trong l\u0129nh v\u1ef1c l\u00f4 \u0111\u1ec1, l\u00f4 k\u00e9p \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u lo\u1ea1i. C\u1ee5 th\u1ec3 l\u00e0 k\u00e9p b\u1eb1ng, l\u1ec7ch, \u00e2m v\u00e0 k\u00e9p d\u01b0\u01a1ng. \u0110\u1ed1i v\u1edbi mi\u1ec1n B\u1eafc th\u00ec \u0111a ph\u1ea7n d\u00e2n ch\u01a1i l\u00f4 \u0111\u1ec1 \u01b0a chu\u1ed9ng k\u00e9p b\u1eb1ng h\u01a1n c\u1ea3.<\/p>\n K\u00e9p b\u1eb1ng l\u00e0 lo\u1ea1i l\u00f4 g\u1ed3m 2 con s\u1ed1 gi\u1ed1ng nhau. V\u00ed d\u1ee5 nh\u01b0 c\u1eb7p s\u1ed1 00, 22, 55,\u2026 C\u00f3 th\u1ec3 th\u1ea5y c\u00e1ch ch\u01a1i, c\u00e1ch nh\u1eadn bi\u1ebft lo\u1ea1i l\u00f4 k\u00e9p n\u00e0y v\u00f4 c\u00f9ng \u0111\u01a1n gi\u1ea3n. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fd do r\u1ea5t nhi\u1ec1u anh em ch\u1ecdn ch\u01a1i k\u00e9p b\u1eb1ng. Khi ch\u01a1i k\u00e9p b\u1eb1ng th\u00ec ch\u1ec9 c\u1ea7n n\u00f3i l\u00e0 nh\u00e0 c\u00e1i s\u1ebd ch\u1ee7 \u0111\u1ed9ng ghi, kh\u00f4ng c\u1ea7n anh em ph\u1ea3i li\u1ec7t k\u00ea c\u00e1c c\u1eb7p s\u1ed1.<\/p>\nKh\u00e1i ni\u1ec7m l\u00f4 k\u00e9p l\u00e0 g\u00ec?<\/strong><\/h2>\n