已知[(x²+y²)-(x-y)²+2y(x-y)]÷4y=1,求4x²-y²分之4x减2x+y分之1的值急!马上要,答的快且对的加分!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 20:02:22
![已知[(x²+y²)-(x-y)²+2y(x-y)]÷4y=1,求4x²-y²分之4x减2x+y分之1的值急!马上要,答的快且对的加分!](/uploads/image/z/469459-19-9.jpg?t=%E5%B7%B2%E7%9F%A5%5B%28x%26%23178%3B%2By%26%23178%3B%29-%28x-y%29%26%23178%3B%2B2y%28x-y%29%5D%C3%B74y%3D1%2C%E6%B1%824x%26%23178%3B-y%26%23178%3B%E5%88%86%E4%B9%8B4x%E5%87%8F2x%2By%E5%88%86%E4%B9%8B1%E7%9A%84%E5%80%BC%E6%80%A5%21%E9%A9%AC%E4%B8%8A%E8%A6%81%2C%E7%AD%94%E7%9A%84%E5%BF%AB%E4%B8%94%E5%AF%B9%E7%9A%84%E5%8A%A0%E5%88%86%21)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 20:02:22