3,3,6,24, ()。
A.192
B.168
C.81
D.48
3,8,24,48,120,() A.168;B.169;C.144;D.143;
3, 3,6,24,()A.192 B.168 C.81D.48
3, 3,6,24,() A.192 B.168 C.81 D.48
3,8,24,48,120,()。 A.148 B.156 C.168 D.178
3, 3, 6, 24, ()。A.192 B.168 C.81 D.48
3 3 6 24 ()。 A.192 B.168 C.81 D.48