作业帮27(x-y)²[-2/9(y-x)四次方]
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/21 02:38:43
![27(x-y)²[-2/9(y-x)四次方]](/uploads/image/z/8652422-38-2.jpg?t=27%28x-y%29%26%23178%3B%5B-2%2F9%28y-x%29%E5%9B%9B%E6%AC%A1%E6%96%B9%5D)
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27(x-y)²[-2/9(y-x)四次方]
27(x-y)²[-2/9(y-x)四次方]
27(x-y)²[-2/9(y-x)四次方]
√
27(x-y)²[-2/9(y-x)四次方]
=-6（x-y）²（x-y）的4次方
=-6（x-y）的6次方
如追加其它问题,