计算：[3a²/(a+b)]^3(a²-b²)÷[(b-a)/(a+b)]²

来源：学生作业帮助网编辑：作业帮时间：2024/05/28 23:42:16

[3a²/(a+b)]^3(a²-b²)÷[(b-a)/(a+b)]²
=27a^6/(a+b)³×(a-b)(a+b)×(a+b)²/(a-b)²
=27a^6/(a-b)