化简(4m-3/5)-(5-m/2)+(6-3m/10)

问题描述:

化简(4m-3/5)-(5-m/2)+(6-3m/10)

4m-3/5-5+m/2+6-3m/10=(4m+m/2-3m/10)+2/5=4m/5+2/5