八分之七乘5.25+3.75/8=0.125怎么简便_数学解答

八分之七乘5.25+3.75/8=0.125怎么简便

人气：327 ℃　时间：2020-03-21 20:54:45

解答

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