M\u00e1y t\u00ednh t\u1ef1 \u0111\u1ed9ng ch\u1ecdn b\u00e0i thi \u0111i\u1ec3m cao nh\u1ea5t v\u00e0 kh\u00f4ng c\u00f3 \u0111i\u1ec3m li\u1ec7t \u0111\u1ec3 x\u00e9t t\u1ed1t nghi\u1ec7p.<\/a><\/blockquote><\/iframe>