作业帮[3(x+y)²a²][-2(x+y)ab³]
来源：学生作业帮助网 编辑：作业帮 时间：2024/08/07 14:18:47
![[3(x+y)²a²][-2(x+y)ab³]](/uploads/image/z/15256557-45-7.jpg?t=%5B3%28x%2By%29%26%23178%3Ba%26%23178%3B%5D%5B-2%28x%2By%29ab%26%23179%3B%5D)
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[3(x+y)²a²][-2(x+y)ab³]
[3(x+y)²a²][-2(x+y)ab³]
[3(x+y)²a²][-2(x+y)ab³]
