(3.12+0.9)/【(1-X)0.1】=0.67(解方程)
问题描述:
(3.12+0.9)/【(1-X)0.1】=0.67(解方程)
答
(3.12+0.9)/【(1-X)0.1】=0.67
4.02=0.67×(0.1-0.1x)
4.02=0.067-0.067x
x=-3.953/0.067=3953/67=59