(x²-2y)(xy²)³怎么算

(x²-2y)(xy²)³怎么算
(x²-2y)(xy²)³怎么算

(x²-2y)(xy²)³怎么算
先乘方,再乘除,再加减
先算(xy²)³=x^3y^6
然后算乘除
(x^2)*x^3y^6-2y*x^3y^6=x^5y^6-2x^3y^7