5-0.9x=2.75解:要详细
问题描述:
5-0.9x=2.75解:要详细
答
5-0.9x=2.75
5-2.75=0.9x
x=2.25÷0.9
x=2.5
5-0.9x=2.75解:要详细
5-0.9x=2.75
5-2.75=0.9x
x=2.25÷0.9
x=2.5