a²b+3ab/3b²+ab,化简分式

问题描述:

a²b+3ab/3b²+ab,化简分式

(a2b+3ab)/(3b2+ab)=ab(a+3)/[b(3b+a)]=a(a+3)/(3b+a)=(a^2+3a)/(3b+a)