求解初中数学题(x-y)-2(y-x) 2(x-y)-8(y-x) x(a-3)-(3-a) (x2-y2)-3(x+y)求解因式分解法.八年级数学.谢
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![求解初中数学题(x-y)-2(y-x) 2(x-y)-8(y-x) x(a-3)-(3-a) (x2-y2)-3(x+y)求解因式分解法.八年级数学.谢](/uploads/image/z/816650-26-0.jpg?t=%E6%B1%82%E8%A7%A3%E5%88%9D%E4%B8%AD%E6%95%B0%E5%AD%A6%E9%A2%98%EF%BC%88x-y%29-2%28y-x%29+2%28x-y%29-8%28y-x%29+x%28a-3%29-%283-a%29+%28x2-y2%29-3%28x%2By%29%E6%B1%82%E8%A7%A3%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E6%B3%95.%E5%85%AB%E5%B9%B4%E7%BA%A7%E6%95%B0%E5%AD%A6.%E8%B0%A2)
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