5,7,17,31,65,()。
A.107
B.115
C.120
D.127
请帮忙给出正确答案和分析,谢谢!
:1,5,7,17,()A.29B.31C.33D.37
:1,5,7,17,()A.29B.31 C.33D.37
5,7,17,31,65,()。 A.107 B.115 C.120 D.127
5,7,17,31,(),127。 A.45 B.63 C.65 D.84
1,5,7,17,() A.29B.31C.33D.37
2,3,5,7,12,15,(),() A.26,31B.17,21C.27,31D.16,21