(16x=2x)*0.7=18
问题描述:
(16x=2x)*0.7=18
答
(16x+2x)×0.7=18
18x×0.7=18
7/10x=1
x=10/7
(16x=2x)*0.7=18
(16x+2x)×0.7=18
18x×0.7=18
7/10x=1
x=10/7