题目内容
比较方程式中
35.69x-30=4035.43x-29.8=53.7
87
5x=856x=54
87+6x=54087-6x=54
12.5x-30.6=70.412.5x+30.6=70.4
35.43x-29.8=53.7
35.43x-29.8=53.7
6x=54
87-6x=54
12.5x+30.6=70.4