Simple Polynomials
回答 (3)
2009-01-29 2:58 am
✔ 最佳答案
a x b x (-b) x (-b) x (-a) x a x (-a) x (-b)=(a)(b)(-b)(-b)(-a)(a)(-a)(-b)
=-(a)(b)(b)(b)(a)(a)(a)(b)
=-a^4b^4
2009-01-28 10:40 pm
The anwer should be -(a^4)(b^4)
2009-01-28 9:39 pm
= a x (-a) x (-a) x b x (-b) x (-b) x (-b)
= a^3 x - (b)^4
= a^3 x - (b)^4
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090128000051KK00578