(-3n)^3=-27n^3(5xy)^3=125x^3y^3-a^3+(-4a)^2a=-a^3+16a^3=15a^3(3b)^2=9b^2-(ab)^2=-a^2b^2(-4a^2)^3=-64a^6(y^2z^3)^3=y^6z^9(-3pq)^2=9p^2q^2(ab^4)^4=a^4b^16基本是一步没有什么过程
(xy的四次方)的m次方-(p的二次方q)的n次方(xy的三n次方)的二次方+(xy的6次方)的n次方(-3x的三次方)的二次方-【(2x)的二次方】的三次方要过程过程哦拜托了,这是最后四个题
(xy^4)^m=x^my^4m-(p^2q)^n=-p^2nq^n(xy^3n)^2+(xy^6)^n=x^2y^6n+x^ny^6n(-3x^3)^2-[(2x)^2]^3=9x^6-8x^6=x^6