A.20;B.24;C.18;D.32
[单选题]1,3,6,12,()A . 20B . 24C . 18D . 32
[试题]1,2,3,6,12,()A.16;B.20;C.24;D.36
[单选题]1,2,3,6,12,()A . 16B . 20C . 24D . 36
[试题]1,3,3,6,7,12,15,()A.17;B.27;C.30;D.24;
[单选题]1,3,3,6,7,12,15,()A .17B .27C .30D .24
[主观题]1/21/31/41/61/12
[单选题]1,2,3,6,12,24,( )。A.48B.45C.36D.32
[单选题]1,2,3,6,12,24,( )。A.48B.45C.36D.32
[单选题]1,2,3,6,12,24,( )。A.48B.45C.36D.32
[单选题]1,2,3,6,12,24,( )。A.48B.45C.36D.32