27、1,3,8,16,27,()
A、39 B、41 C、43 D、45
请帮忙给出正确答案和分析,谢谢!
1/8,1/6, 9/22,27/40,() A.27/16 B.27/14 C.8
:3,4,7,16,()A.23 B.27 C.39D.43
4, 3/2, 20/27, 7/16, 36/125, () A.39/144 B.11/54 C.68/196 D.7
3,4,7,16,() A.23 B.27 C.39 D.43
4,2/3,20/27,7/16,36/125,() A.39/144 B.11/54 C.68/169 D.7
2,4,3,(),13/4,27/8,53/16。A.1 B.7/2 C.7/3 D.4