七年级数学因式分解(提取公因式法)问题1.18x^2(x-2y)^2-24xy(2y-x)^2-12x(2y-x)^32.2a^2b(x+y)^2(b+c)-6a^3b^3(x+y)(b+c)
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![七年级数学因式分解(提取公因式法)问题1.18x^2(x-2y)^2-24xy(2y-x)^2-12x(2y-x)^32.2a^2b(x+y)^2(b+c)-6a^3b^3(x+y)(b+c)](/uploads/image/z/1850733-45-3.jpg?t=%E4%B8%83%E5%B9%B4%E7%BA%A7%E6%95%B0%E5%AD%A6%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%28%E6%8F%90%E5%8F%96%E5%85%AC%E5%9B%A0%E5%BC%8F%E6%B3%95%29%E9%97%AE%E9%A2%981.18x%5E2%28x-2y%29%5E2-24xy%282y-x%29%5E2-12x%282y-x%29%5E32.2a%5E2b%28x%2By%29%5E2%28b%2Bc%29-6a%5E3b%5E3%28x%2By%29%28b%2Bc%29)
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