解方程 3(x+3.6)=18.6
问题描述:
解方程 3(x+3.6)=18.6
答
X+3.6=6.2
x=2.6
答
(x+3.6)=18.6/3
x+3.6=6.2
x=6.2-3.6
x=2.6