x-(x/2-40)-(x/4+60)=60求解
问题描述:
x-(x/2-40)-(x/4+60)=60求解
答
x-x/2+40-x/4-60=60
x/4=80
x=320
答
x-(x/2-40)-(x/4+60)=60
x-x/2+40-x/4-60=60
x-x/2-x/4+40-60=60
x/4=80
x=320