13.2x+9x=33.3怎样解方程?
问题描述:
13.2x+9x=33.3怎样解方程?
答
13.2x+9x=33.3
22.2x=33.3
x=1.5
13.2x+9x=33.3怎样解方程?
13.2x+9x=33.3
22.2x=33.3
x=1.5