2.(x+y)²(x-y)²-(x-y)(x+y)(x²+y²)=-(x-y)²(x-y)²-(x-y)(x+y)(x²+y²)①=-(x-y)^4-[(x²-y²)(x²+y²)]②=-(x-y)^4-[x^4-y^4]③如果对,怎么继续做,如果错了,哪里错了,第几步,请改
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/25 03:14:33
![2.(x+y)²(x-y)²-(x-y)(x+y)(x²+y²)=-(x-y)²(x-y)²-(x-y)(x+y)(x²+y²)①=-(x-y)^4-[(x²-y²)(x²+y²)]②=-(x-y)^4-[x^4-y^4]③如果对,怎么继续做,如果错了,哪里错了,第几步,请改](/uploads/image/z/3013458-42-8.jpg?t=2.%28x%2By%29%26%23178%3B%28x-y%29%26%23178%3B-%28x-y%29%28x%2By%EF%BC%89%28x%26%23178%3B%2By%26%23178%3B%29%3D-%28x-y%29%26%23178%3B%28x-y%29%26%23178%3B-%28x-y%29%28x%2By%29%28x%26%23178%3B%2By%26%23178%3B%29%E2%91%A0%3D-%28x-y%29%5E4-%5B%28x%26%23178%3B-y%26%23178%3B%29%28x%26%23178%3B%2By%26%23178%3B%29%5D%E2%91%A1%3D-%EF%BC%88x-y%29%5E4-%5Bx%5E4-y%5E4%5D%E2%91%A2%E5%A6%82%E6%9E%9C%E5%AF%B9%2C%E6%80%8E%E4%B9%88%E7%BB%A7%E7%BB%AD%E5%81%9A%2C%E5%A6%82%E6%9E%9C%E9%94%99%E4%BA%86%2C%E5%93%AA%E9%87%8C%E9%94%99%E4%BA%86%2C%E7%AC%AC%E5%87%A0%E6%AD%A5%2C%E8%AF%B7%E6%94%B9)
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