1-1/2-1/4-1/8-1/16
=1/2-1/4-1/8-1/16
= 1/4-1/8-1/16
=1/16
1-1/2-1/4-1/8-1/16-1/32-1/64=1/64
1/6-1/12-1/24-1/48-1/96=1/6*1/16=1/96
(1)1-1/2-1/4-1/8-1/16=1/16
(2)1-1/2-1/4-1/6-1/8-1/16-1/32-1/64=1/64
(3)1/6-1/12-1/24-1/48-1/96=1/96
明白请采纳,有疑问请追问!
有新问题请求助,谢谢!