1.2x-10%x=55
问题描述:
1.2x-10%x=55
答
10%相当于0.1
(1.2-0.1)X=55
X=55/1.1=50
1.2x-10%x=55
10%相当于0.1
(1.2-0.1)X=55
X=55/1.1=50