计算[(x²-y²)/y]²÷(x²+xy)³·(xy/y-x)
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计算[(x²-y²)/y]²÷(x²+xy)³·(xy/y-x)²
其中“/”为分数线,“÷”为除号
其中“/”为分数线,“÷”为除号
![计算[(x²-y²)/y]²÷(x²+xy)³·(xy/y-x)](/uploads/image/z/8473725-45-5.jpg?t=%E8%AE%A1%E7%AE%97%5B%28x%26%23178%3B-y%26%23178%3B%29%2Fy%5D%26%23178%3B%C3%B7%28x%26%23178%3B%2Bxy%29%26%23179%3B%C2%B7%28xy%2Fy-x%29%26%231)
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