-6, -4, 2, 20, ()。
A.42
B.56
C.67
D.74
:2,1,4,4,6,16,10,64,()。A.16 B.20 C.128 D.97
2,1,4,4,6,16,10,64,()。A.16 B.20 C.128 D.97
2,-6.8,-4,-8,()A.12B.16C.20 D.24
-26,6,2,4,6,()A.8B.12C.20 D.10
-26,6,2,4,6,()A.8 B.12 C.20 D.10
1,3,2,4,2,7,4,11,(),()。A.6,19 B.8,18 C.10,20 D.16,22