(－a²)·(－a²)²÷a³,(π-3)º-(2分之1)的－1次方2x³y-2xy³

(－a²)·(－a²)²÷a³,(π-3)º-(2分之1)的－1次方2x³y-2xy³
(－a²)·(－a²)²÷a³,(π-3)º-(2分之1)的－1次方
2x³y-2xy³

(－a²)·(－a²)²÷a³,(π-3)º-(2分之1)的－1次方2x³y-2xy³
(－a²)·(－a²)²÷a³
=(-a²)×a^4÷a³
=-a^6×a³
=-a³

(π-3)º-(2分之1)的－1次方
=1-2
=-1

2x³y-2xy³
=2xy(x²-y²)
=2xy(x-y)(x+y)