K\u1ebft th\u00fac k\u1ef3 ngh\u1ec9 d\u00e0i c\u0169ng l\u00e0 l\u00fac h\u1ecdc sinh b\u1eaft \u0111\u1ea7u v\u01b0\u1ee3t qua ch\u00ednh m\u00ecnh v\u1edbi t\u00e2m l\u00fd \u201cvui nh\u01b0 t\u1ebft\u201d \u0111\u1ec3 b\u1eaft nh\u1ecbp v\u1edbi vi\u1ec7c h\u1ecdc <\/p>\n\n\n\n