6.2x+2x=12.
问题描述:
6.2x+2x=12.
答
6.2x+2x=12.3
8.2x=12.3
x=12.3/8.2
x=1.5
6.2x+2x=12.
6.2x+2x=12.3
8.2x=12.3
x=12.3/8.2
x=1.5