化简(a-b)²/a²b² *(-a/b-a)³ ÷1/a²-b²=(a-b)²/a²b² 乘以(-a/b-a)³(三次方) ÷1/a²-b²=
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![化简(a-b)²/a²b² *(-a/b-a)³ ÷1/a²-b²=(a-b)²/a²b² 乘以(-a/b-a)³(三次方) ÷1/a²-b²=](/uploads/image/z/342724-4-4.jpg?t=%E5%8C%96%E7%AE%80%28a-b%29%26%23178%3B%2Fa%26%23178%3Bb%26%23178%3B+%2A%28-a%2Fb-a%29%26%23179%3B+%C3%B71%2Fa%26%23178%3B-b%26%23178%3B%3D%28a-b%29%26%23178%3B%2Fa%26%23178%3Bb%26%23178%3B+%E4%B9%98%E4%BB%A5%28-a%2Fb-a%29%26%23179%3B%28%E4%B8%89%E6%AC%A1%E6%96%B9%29+%C3%B71%2Fa%26%23178%3B-b%26%23178%3B%3D)
化简(a-b)²/a²b² *(-a/b-a)³ ÷1/a²-b²=(a-b)²/a²b² 乘以(-a/b-a)³(三次方) ÷1/a²-b²=
化简(a-b)²/a²b² *(-a/b-a)³ ÷1/a²-b²=
(a-b)²/a²b² 乘以(-a/b-a)³(三次方) ÷1/a²-b²=
化简(a-b)²/a²b² *(-a/b-a)³ ÷1/a²-b²=(a-b)²/a²b² 乘以(-a/b-a)³(三次方) ÷1/a²-b²=
(a-b)²/a²b² 乘以(-a/b-a)³ ÷1/a²-b²=
=(a-b)²/a²b² 乘以a³/(a-b)³ x(a+b)(a-b)
=a(a+b)/b²
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