早教吧 育儿知识 作业答案 考试题库 百科 知识分享

1/2+1/4+1/6+1/8+1/16+1/32=

题目详情
1/2+1/4+1/6+1/8+1/16+1/32=
▼优质解答
答案和解析
1/2+1/4+1/6+1/8+1/16+1/32
=1/2+1/4+1/8+1/16+1/32+1/32-1/32
=1/2+1/4+1/8+1/16+1/16-1/32
=1/2+1/4+1/8+1/8-1/32
=1/2+1/4+1/4-1/32
=1/2+1/2-1/32
=1-1/32
=31/32
看了 1/2+1/4+1/6+1/...的网友还看了以下: