172,84,40,18,( )A.5B.7C.16D.22
172,84,40,18,( )
A.5
B.7
C.16
D.22
相关考题:
古琴有几根弦?A.6根B.7根C.20根D.22根
172,84,40,18,( )
A.5
B.7
C.16
D.22