问题
填空题
(x2y)5(x2y)3=______;(-3mn4)3=______.
答案
(x2y)5(x2y)3=(x10y5)(x6y3)=x16y8;
(-3mn4)3=-33m3n12=-27m3n12.
故答案为:x16y8;-27m3n12.
(x2y)5(x2y)3=______;(-3mn4)3=______.
(x2y)5(x2y)3=(x10y5)(x6y3)=x16y8;
(-3mn4)3=-33m3n12=-27m3n12.
故答案为:x16y8;-27m3n12.