log(38-1.372X)/(3.8+1.372x)=0.15,求X=?
问题描述:
log(38-1.372X)/(3.8+1.372x)=0.15,求X=?
答
x=9.8587137255964743166345398565945
log(38-1.372X)/(3.8+1.372x)=0.15
则(38-1.372X)/(3.8+1.372x)=10^0.15
解方程就可以了