四道分解因式题 (1)a²(b+1)-b²(a+1) (2)4a(b-a)-b² (3)(a-b)(a²-ab+b²)-ab(a-b) (8)a²(a-b)²(m-n)+b²(b-a)²(n-m)
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![四道分解因式题 (1)a²(b+1)-b²(a+1) (2)4a(b-a)-b² (3)(a-b)(a²-ab+b²)-ab(a-b) (8)a²(a-b)²(m-n)+b²(b-a)²(n-m)](/uploads/image/z/15197987-11-7.jpg?t=%E5%9B%9B%E9%81%93%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%E9%A2%98+%EF%BC%881%EF%BC%89a%26%23178%3B%28b%2B1%29-b%26%23178%3B%28a%2B1%29+%EF%BC%882%EF%BC%894a%28b-a%29-b%26%23178%3B+%EF%BC%883%EF%BC%89%28a-b%29%28a%26%23178%3B-ab%2Bb%26%23178%3B%29-ab%28a-b%29+%EF%BC%888%EF%BC%89a%26%23178%3B%28a-b%29%26%23178%3B%28m-n%29%2Bb%26%23178%3B%28b-a%29%26%23178%3B%28n-m%29)
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