问题
解答题
计算:
(1)-(3m2nh3)2;
(2)(-ab)5•(-ab)3;
(3)(-3a2)3+(2a3)2.
答案
(1)原式=9m4n2h6;
(2)原式=-a5b5•(-a3b3)
=a8b8;
(3)原式=-27a6+4a6
=-23a6.
计算:
(1)-(3m2nh3)2;
(2)(-ab)5•(-ab)3;
(3)(-3a2)3+(2a3)2.
(1)原式=9m4n2h6;
(2)原式=-a5b5•(-a3b3)
=a8b8;
(3)原式=-27a6+4a6
=-23a6.