(a2b分之-c)3×(-a2分之c2)×(b分之ac的负一次方)的负四次方=

问题描述:

(a2b分之-c)3×(-a2分之c2)×(b分之ac的负一次方)的负四次方=

=-c³/(a²b)³×(-c²/a²)×(1/bac)的负四次方
=c³/(a²b)³×(c²/a²)×(bac)的四次方
= c^9b/a^4