Gi\u1ea3m ch\u1ec9 ti\u00eau x\u00e9t tuy\u1ec3n b\u1eb1ng \u0111i\u1ec3m thi t\u1ed1t nghi\u1ec7p: C\u00e1c s\u0129 t\u1eed n\u00f3i g\u00ec?<\/a><\/blockquote><\/iframe>