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化简 (a²+b²/a²-b²-a-b/a+b)÷2ab/(a-b)(a+b)&

来源:学生作业帮 编辑:搜狗做题网作业帮 分类:综合作业 时间:2024/05/03 03:57:22
化简 (a²+b²/a²-b²-a-b/a+b)÷2ab/(a-b)(a+b)²
化简 (a²+b²/a²-b²-a-b/a+b)÷2ab/(a-b)(a+b)&
(a²+b²/a²-b²-a-b/a+b)÷2ab/(a-b)(a+b)²
= (a²+b²/a²-b²-a-b/a+b)÷2ab/(a²-b²)(a+b)
=[(a²+b²)(a+b)-(a-b)(a²-b²)]÷2ab
=[(a²+b²)(a+b)-(a-b)(a+b)(a-b)]÷2ab
=(a+b)(a²+b²-a²+2ab-b²)÷2ab
=a+