D aacute ng ngon v ocirc u0111 u1ed1i HD97
V u1ee3 ch u1ed3ng t ocirc i acirc n aacute i th u1eafm thi u1ebft qu aacute n egrave
Tinh 1 dem
Vui v u1ebb c ugrave ng ch aacute u g aacute i m u01b0a