A .25
B .36
C .45
D .49
[试题]2,2,3,6,15,()A、25;B、36;C、45;D、49
[单选题]2, 3, 6, 15, ( )。A.32B.42C.52D.62
[单选题]2,3,6,15,( )A.20B.24C.32D.42
[单选题]2,3,6,15,( )A.20B.24C.32D.42
[主观题]1,2,2,6,3,15,3,21,4,()A.46;B.20;C.12;D.44;
[单选题]1,2,2,6,3,15,3,21,4,()A . 46B . 20C . 12D . 44
[单选题]1/2,2/6,2/8,3/15,( )A.3/18B.3/16C.5/25D.7/25
[单选题]1/2,2/6,2/8,3/15,( )A.3/18B.3/16C.5/25D.7/25
[单选题]1/2,2/6,2/8,3/15,( )A.3/18B.3/16C.5/25D.7/25
[单选题]1/2,2/6,2/8,3/15,( )A.3/18B.3/16C.5/25D.7/25