A.26
B.37
C.19
D.48
[单选题]2,1,-1,1,12,( )A.26B.37C.19D.48
[单选题]2,1,-1,1,12,( )。A.26B.37C.19D.48
[单选题]2,1,-1,1,12,( )。A.26B.37C.19D.48
[单选题]2,1,-1,1,12,( )。A.26B.37C.19D.48
[单选题]2,1,-1,1,12,( )。A.26B.37C.19D.48
[主观题]1/2,1/6,1/12,1/30,()A.1/42;B.1/40;C.11/42;D.1/50;
[单选题]1/2,1/2,1/2,7/16,11/32,( )A.15/64B.1/4C.13/48D.1/3
[单选题]1/2,1/9,1/28,()A . 1/65B . 1/32C . 1/56D . 1/48
[试题]1/2,1/6,1/3,2,(),3,1/2A.4;B.5;C.6;D.9
[主观题]1/2,1/8,1/24,1/48,()A.1/96;B.1/48;C.1/64;D.1/81