1,1,8,16,7,21,4,16,2,()A.10;B.20;C.30;D.40;
1, 1, 8, 16, 7, 21, 4, 16, 2, ( )
A.10;B.20;C.30;D.40;
相关考题:
400 360 200 170 100 80 50 ( ) A.10 B.20 C.30 D.40
1, 1, 8, 16, 7, 21, 4, 16, 2, ( )
A.10;B.20;C.30;D.40;