【问题】解方程:x/(1+50%)*4+20/60=x/4
问题描述:
【问题】解方程:x/(1+50%)*4+20/60=x/4
答
X/(1+0.5)*4+20/60=X/4
=X/1.5*4+20/60=X/4
=32X/12-3X/12=-1/3
=29X/12=-1/3
=29X=-4
=X=-4/29