求[(x+y)²(x-y)²+16x²y²]/[(x+y)(x-y)]-8xy的值
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求[(x+y)²(x-y)²+16x²y²]/[(x+y)(x-y)]-8xy的值求[(x+y)²(x-y)²+16x²y
求[(x+y)²(x-y)²+16x²y²]/[(x+y)(x-y)]-8xy的值
求[(x+y)²(x-y)²+16x²y²]/[(x+y)(x-y)]-8xy的值
求[(x+y)²(x-y)²+16x²y²]/[(x+y)(x-y)]-8xy的值
x平方减y的平方