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
八分之七乘5.25+3.75/8=0.125怎么简便
八分之七乘5.25+3.75/8=0.125怎么简便
数学人气：525 ℃时间：2020-03-21 20:54:45
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