\u0110\u1ea1i h\u1ecdc n\u00e2ng \u0111i\u1ec3m \u0111\u00e1nh tr\u01b0\u1ee3t th\u00ed sinh: B\u1ed9 Gi\u00e1o d\u1ee5c cho th\u00ed sinh \u0111\u01b0\u1ee3c chuy\u1ec3n sang tr\u01b0\u1eddng kh\u00e1c h\u1ecdc<\/a><\/blockquote><\/iframe>