Thi v\u00e0 x\u00e9t tuy\u1ec3n n\u0103m 2017: C\u1ea7n nhi\u1ec1u c\u00f4ng s\u1ee9c cho x\u00e2y d\u1ef1ng \u0111\u1ec1 thi<\/a><\/blockquote><\/iframe>