2x/0.03+0.25-0.1x/0.02=10
问题描述:
2x/0.03+0.25-0.1x/0.02=10
答
两边乘100得
2/3x+25-0.1/2x=1000
(2/3-0.1/2)x=1000-25
3.7/6x=975
x=1581