1,1,81,3125,( ) A.46656 B.47834 C.117649 D.119481
问题描述:
1,1,81,3125,( ) A.46656 B.47834 C.117649 D.119481
答
通项公式(2n-3)^(n+1)
a5=(2*5-3)^(5+1)=7^6=117649
所以选c