Ch\u01a1i \u0111\u1ec1 \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c \u0111\u00e1nh b\u1ea1c r\u1ea5t ph\u1ed5 bi\u1ebfn hi\u1ec7n nay. H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi t\u00ecm \u0111\u1ebfn tr\u00f2 ch\u01a1i n\u00e0y \u0111\u1ec1u c\u00f3 chung m\u1ed9t m\u1ee5c \u0111\u00edch \u0111\u00f3 l\u00e0 \u201cm\u1ed9ng l\u00e0m gi\u00e0u\u201d nhanh ch\u00f3ng. \u0110\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch n\u00e0y, ngo\u00e0i y\u1ebfu t\u1ed1 may m\u1eafn, ng\u01b0\u1eddi ch\u01a1i ph\u1ea3i c\u00f3 m\u1ed9t h\u00ecnh th\u1ee9c \u0111\u00e1nh \u0111\u1ec1 hi\u1ec7u qu\u1ea3. M\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c c\u00e1c cao th\u1ee7 ch\u01a1i \u0111\u1ec1 \u00e1p d\u1ee5ng nhi\u1ec1u nh\u1ea5t hi\u1ec7n nay \u0111\u00f3 l\u00e0 b\u1eaft \u0111\u1ec1 k\u00e9p. Ch\u00fang t\u00f4i<\/strong> se\u0303 chia se\u0309 c\u00e1ch b\u1eaft \u0111\u1ec3 k\u00e9p<\/b> chu\u1ea9n<\/strong> kh\u00f4ng c\u1ea7n ch\u1ec9nh\u201d \u0111\u00ea\u0309 ca\u0301c ba\u0323n tham kha\u0309o.<\/p>\n Mu\u1ed1n bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1ch b\u1eaft \u0111\u1ec1 k\u00e9p chu\u1ea9n<\/b> th\u00ec tr\u01b0\u1edbc ti\u00ean ng\u01b0\u1eddi ch\u01a1i ph\u1ea3i hi\u1ec3u r\u00f5 kh\u00e1i ni\u1ec7m c\u1ee7a n\u00f3. \u0110\u1ec1 k\u00e9p l\u00e0 thu\u1eadt ng\u1eef th\u01b0\u1eddng xuy\u00ean xu\u1ea5t hi\u1ec7n trong l\u00f4 \u0111\u1ec1. Hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n \u0111\u1ec1 k\u00e9p c\u00f3 ngh\u0129a l\u00e0 2 ch\u1eef s\u1ed1 cu\u1ed1i gi\u1ed1ng nhau xu\u1ea5t hi\u1ec7n trong gi\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ee7a b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1. V\u00ed d\u1ee5: 54822 l\u00e0 k\u1ebft qu\u1ea3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t th\u00ec 22 ch\u00ednh l\u00e0 \u0111\u1ec1 k\u00e9p.<\/p>\n\u0110\u1ec1 k\u00e9p l\u00e0 g\u00ec? Gi\u1edbi thi\u1ec7u s\u01a1 l\u01b0\u1ee3c v\u1ec1 \u0111\u1ec1 k\u00e9p<\/b><\/h2>\n