题目内容
计算:
(1)(-
xy3z2)2;
(2)(3a2)3+(a2)2·a2;
(3)9m4(n2)3+(-3m2n3)2;
(4)(3a2)3·b4-(3ab2)2·a4.
答案:
解析:
解析:
|
(1) (2)28a6 18m4n6 18a6b4 |
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题目内容
计算:
(1)(-
xy3z2)2;
(2)(3a2)3+(a2)2·a2;
(3)9m4(n2)3+(-3m2n3)2;
(4)(3a2)3·b4-(3ab2)2·a4.
|
(1) (2)28a6 18m4n6 18a6b4 |