1/6+1/12+1/24+1/48+1/96+1/198 求简便计算求过程

日期：2021-09-04 19:04:13 人气：1

1/6+1/12+1/24+1/48+1/96+1/198
=1/6+1/12+1/24+1/48+1/96+1/198+1/198-1/198
=1/6+1/12+1/24+1/48+1/96+1/96-1/198
=1/6+1/12+1/24+1/48+1/48-