A . 40
B . 32
C . 30
D . 28
[主观题]2,6,12,20,()A.40;B.32;C.30;D.28
观察数字规律,选择合适的一项填入括号中:2,6,12,20, ()。A. 40B. 32C. 30D. 28
[单选题]0,2,6,12,20,30,( )。A.34B.38C.40D.42
[单选题]0,2,6,12,20,30,( )。A.34B.38C.40D.42
[单选题]0,2,6,12,20,30,( )。A.34B.38C.40D.42
[单选题]0,2,6,12,20,30,( )。A.34B.38C.40D.42
[单选题]0,2,6,12,20,30,( )。A.34B.38C.40D.42
[单选题]0,2,6,12,20,30,( )。A.34B.38C.40D.42
[单选题]0,2,6,12,20,30,( )。A.34B.38C.40D.42
[单选题]0,2,6,12,20,30,( )。A.34B.38C.40D.42