(a+b)²×(a-b)² 怎么化简啊
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 21:50:03
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(a+b)²×(a-b)² 怎么化简啊
(a+b)²×(a-b)² 怎么化简啊
(a+b)²×(a-b)² 怎么化简啊
等于〔(a+b)×(a-b)〕*=(a²-b²)*
(a+b)²×(a-b)²
=[(a+b)×(a-b)]²
=(a²-b²)²
=a^4-2a²b²+b^4
*是指数啊