怎么化简(x-y+4xy/x-y)(x+y-4xy/x+y)(/是分数线)
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怎么化简(x-y+4xy/x-y)(x+y-4xy/x+y)(/是分数线)
化简计算:[x-y+4xy/(x-y)] * [x+y-4xy/(x+y)]
(x-y+4xy/x-y)(x+y-4xy/x-y)
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