解方程8.15+2x=21.35
问题描述:
解方程8.15+2x=21.35
答
8.15+2x=21.35
2x=21.35-8.15
2x=13.2
x=6.6
解方程8.15+2x=21.35
8.15+2x=21.35
2x=21.35-8.15
2x=13.2
x=6.6