1, 6, 20, 56, 144, ( )A.384B.352C.312D.256
1, 6, 20, 56, 144, ( )
A.384
B.352
C.312
D.256
相关考题:
1,6,20,56,144,( )A.256 B.244 C.352 D.384
1, 6, 20, 56, 144, ( )
A.384
B.352
C.312
D.256