作业帮计算：[3a²/(a+b)](a²-b²)÷[(b-a)/(a+b)]²
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/03 22:22:26
÷[(b-a)/(a+b)]²](/uploads/image/z/5127866-26-6.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9A%5B3a%26%23178%3B%2F%28a%2Bb%29%5D%28a%26%23178%3B-b%26%23178%3B%29%C3%B7%5B%28b-a%29%2F%28a%2Bb%29%5D%26%23178%3B)
计算：[3a²/(a+b)](a²-b²)÷[(b-a)/(a+b)]²
计算：[3a²/(a+b)](a²-b²)÷[(b-a)/(a+b)]²
计算：[3a²/(a+b)](a²-b²)÷[(b-a)/(a+b)]²
[3a²/(a+b)](a²-b²)÷[(b-a)/(a+b)]²
=3a²(a-b)× (a+b)²/(a-b)²
=3a²(a+b)²/(a-b)
=3a²/(a+b)×(a+b)(a-b)×(a+b)²/(a-b)²
=3a²(a+b)²/(a-b)