计算:(1)(-x²/y)·(-y²/x)³÷(-y/x)的4次方;(2)2x-6/4-4x+x²·x-2/x+3÷3-x/x²-4;(3)(a²-b²/b)²÷(a²+ab)·(ab/b-a)²;(4)(1-x/3-x)²÷(x²-6x+9/9-x²)²·1/x²-2x+1
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![计算:(1)(-x²/y)·(-y²/x)³÷(-y/x)的4次方;(2)2x-6/4-4x+x²·x-2/x+3÷3-x/x²-4;(3)(a²-b²/b)²÷(a²+ab)·(ab/b-a)²;(4)(1-x/3-x)²÷(x²-6x+9/9-x²)²·1/x²-2x+1](/uploads/image/z/220206-30-6.jpg?t=%E8%AE%A1%E7%AE%97%3A%281%29%28-x%26%23178%3B%2Fy%29%C2%B7%28-y%26%23178%3B%2Fx%29%26%23179%3B%C3%B7%28-y%2Fx%EF%BC%89%E7%9A%844%E6%AC%A1%E6%96%B9%EF%BC%9B%282%292x-6%2F4-4x%2Bx%26%23178%3B%C2%B7x-2%2Fx%2B3%C3%B73-x%2Fx%26%23178%3B-4%EF%BC%9B%283%29%28a%26%23178%3B-b%26%23178%3B%2Fb%29%26%23178%3B%C3%B7%28a%26%23178%3B%2Bab%29%C2%B7%28ab%2Fb-a%29%26%23178%3B%EF%BC%9B%284%29%281-x%2F3-x%29%26%23178%3B%C3%B7%28x%26%23178%3B-6x%2B9%2F9-x%26%23178%3B%29%26%23178%3B%C2%B71%2Fx%26%23178%3B-2x%2B1)
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计算:(1)(-x²/y)·(-y²/x)³÷(-y/x)的4次方;(2)2x-6/4-4x+x²·x-2/x+3÷3-x/x²-4;(3)(a²-b²/b)²÷(a²+ab)·(ab/b-a)²;(4)(1-x/3-x)²÷(x²-6x+9/9-x²)²·1/x²-2x+1
计算:(1)(-x²/y)·(-y²/x)³÷(-y/x)的4次方;
(2)2x-6/4-4x+x²·x-2/x+3÷3-x/x²-4;
(3)(a²-b²/b)²÷(a²+ab)·(ab/b-a)²;
(4)(1-x/3-x)²÷(x²-6x+9/9-x²)²·1/x²-2x+1
计算:(1)(-x²/y)·(-y²/x)³÷(-y/x)的4次方;(2)2x-6/4-4x+x²·x-2/x+3÷3-x/x²-4;(3)(a²-b²/b)²÷(a²+ab)·(ab/b-a)²;(4)(1-x/3-x)²÷(x²-6x+9/9-x²)²·1/x²-2x+1