6,9,10,14,17,21,27,( )。...
6,9,10,14,17,21,27,( )。...
6,9,10,14,17,21,27,( )。...
6,9,10,14,17,21,27,( )。...
6,9,10,14,17,21,27,( )。...
6,9,10,14,17,21,27,( )。...
6,9,10,14,17,21,27,( )。...
6,9,10,14,17,21,27,( )。...
6,9,10,14,17,21,27,( )。...
6,9,10,14,17,21,27,( )。...
6,9,10,14,17,21,27,( )。...
6,9,10,14,17,21,27,( )。...
6,9,10,14,17,21,27,( )。...