八分之七乘5.25+3.75/8=0.125怎么简便

分类: 作业答案 • 2021-12-28 14:25:06

问题描述：

答

题目应是八分之七乘5.25+3.75/8+0.125
=7/8*21/4+15/4/8+1/8
=147/32+15/32+4/32
=166/32
=83/16