T\u00ecm hi\u1ec3u: D\u00e0n \u0111\u1ec1 80 s\u1ed1 b\u1ea5t b\u1ea1i l\u00e0 g\u00ec?<\/h2>\n
V\u1edbi c\u00e1ch ch\u01a1i n\u00e0y \u0111\u00f3 ch\u00ednh l\u00e0 vi\u1ec7c anh em c\u1ea7n ph\u1ea3i l\u1ef1a ch\u1ecdn ra 80 con s\u1ed1 trong c\u00e1c ch\u1eef s\u1ed1 t\u1eeb 00 \u0111\u1ebfn 99. Sau \u0111\u00f3 anh em h\u00e3y gh\u00e9p d\u00e0n \u0111\u1ec1 v\u00e0 nu\u00f4i khung b\u1ed9 s\u1ed1 \u0111\u00f3, ch\u00ednh v\u00ec b\u1ed9 s\u1ed1 \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u00e3 chi\u1ebfm t\u1edbi 4\/5 t\u1ed5ng c\u00e1c s\u1ed1 s\u1ebd v\u1ec1 n\u00ean do \u0111\u00f3 th\u00ec t\u1ef7 l\u1ec7 tr\u00fang th\u01b0\u1edfng th\u01b0\u1eddng r\u1ea5t l\u00e0 cao. \u0110\u00f3 l\u00e0 l\u00fd do n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 d\u00e0n \u0111\u1ec1 80 s\u1ed1 b\u1ea5t b\u1ea1i l\u00e0 v\u1eady.<\/p>\n