D\u00e0n \u0111\u1ec1 20 khung 3 ng\u00e0y<\/b> l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch ch\u01a1i hi\u1ec7u qu\u1ea3 \u0111\u01b0\u1ee3c kh\u00e1 nhi\u1ec1u anh em quan t\u00e2m. D\u1ef1a v\u00e0o vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 th\u1ed1ng k\u00ea k\u1ebft qu\u1ea3, lo\u1ea1i h\u00ecnh n\u00e0y s\u1ebd gi\u00fap b\u1ea1n c\u00f3 th\u00eam c\u01a1 h\u1ed9i th\u1eafng \u0111\u1eadm. \u0110\u1ec3 hi\u1ec3u h\u01a1n v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p soi c\u1ea7u d\u00e0n 20 s\u1ed1 trong l\u00f4 \u0111\u1ec1, c\u00e1c b\u1ea1n h\u00e3y c\u00f9ng ch\u00fang t\u00f4i t\u00ecm hi\u1ec3u \u1edf b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y nh\u00e9!<\/span><\/p>\n Tr\u01b0\u1edbc khi \u0111i v\u00e0o c\u00e1ch ch\u01a1i d\u00e0n \u0111\u1ec1 20 khung 3 ng\u00e0y, c\u00e1c b\u1ea1n c\u1ea7n ph\u1ea3i hi\u1ec3u r\u00f5 v\u1ec1 kh\u00e1i ni\u1ec7m d\u00e0n \u0111\u1ec1 20 s\u1ed1 l\u00e0 g\u00ec. Nh\u01b0 ch\u00ednh t\u00ean g\u1ecdi, \u0111\u00e2y ch\u00ednh l\u00e0 m\u1ed9t d\u00e0n \u0111\u1ec1 bao g\u1ed3m 20 s\u1ed1. Ng\u01b0\u1eddi ch\u01a1i s\u1ebd c\u00f3 nhi\u1ec7m v\u1ee5 ph\u00e2n t\u00edch, \u0111\u00e1nh gi\u00e1 v\u00e0 l\u1ef1a ch\u1ecdn <\/span>d\u00e0n \u0111\u1ec1 ra 20 s\u1ed1<\/b> (t\u1eeb 00 \u0111\u1ebfn 99) c\u00f3 c\u01a1 h\u1ed9i \u0103n ti\u1ec1n cao nh\u1ea5t, \u0111\u1ec3 nu\u00f4i trong 3 ng\u00e0y.\u00a0<\/span><\/p>\nD\u00e0n \u0111\u1ec1 20 s\u1ed1 l\u00e0 g\u00ec?<\/b><\/h2>\n