A.1/42;B.1/40;C.11/42;D.1/50;
[试题]1/2,1/6,1/3,2,(),3,1/2A.4;B.5;C.6;D.9
[主观题]1/6,1/6,1/12,1/24,()A.1/48;B.1/28;C.1/40;D.1/24;
[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
[单选题]2,1,-1,1,12,( )。A.26B.37C.19D.48
[单选题]:1/3,1/4,1/6,1/12,1/36,()。A.1/72 B.1/144 C.1/216 D.1/432
[单选题]1/3,1/4,1/6,1/12,1/36,()。A.1/72 B.1/144 C.1/216 D.1/432