2分之1m减3分之m等于
问题描述:
2分之1m减3分之m等于
答
m/2-m/3
=3m/6-2m/6
=m/6 6分之m
2分之1m减3分之m等于
m/2-m/3
=3m/6-2m/6
=m/6 6分之m