1,1/3,1/9,1/27,1/18,( )A.1/243 B.1/255 C.1/162 D.1/164

分类: 作业答案 • 2023-01-24 11:44:36

问题描述：

1,1/3,1/9,1/27,1/18,( )
A.1/243 B.1/255 C.1/162 D.1/164

答

题目修改一下1,1/3,1/9,1/27,1/81 A 1=（1/3）^0,1/3=(1/3)^1 1/9=(1/3)^2 …… 1,1/3,1/9,1/27,1/81,(1/243 )