快考试了,神速回答悬赏高因式分解a²-2分之1a+16分之1当x=___时,分式x²-3x+2分之x²-4=0把2a的3次方b的平方(a-b)分之a+b写成不含有分母的形式-0.0201×10的-5次方用科学记数法表示2ab-2bc+2ac-b
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![快考试了,神速回答悬赏高因式分解a²-2分之1a+16分之1当x=___时,分式x²-3x+2分之x²-4=0把2a的3次方b的平方(a-b)分之a+b写成不含有分母的形式-0.0201×10的-5次方用科学记数法表示2ab-2bc+2ac-b](/uploads/image/z/5278866-42-6.jpg?t=%E5%BF%AB%E8%80%83%E8%AF%95%E4%BA%86%2C%E7%A5%9E%E9%80%9F%E5%9B%9E%E7%AD%94%E6%82%AC%E8%B5%8F%E9%AB%98%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3a%26%23178%3B-2%E5%88%86%E4%B9%8B1a%2B16%E5%88%86%E4%B9%8B1%E5%BD%93x%3D___%E6%97%B6%2C%E5%88%86%E5%BC%8Fx%26%23178%3B-3x%2B2%E5%88%86%E4%B9%8Bx%26%23178%3B-4%3D0%E6%8A%8A2a%E7%9A%843%E6%AC%A1%E6%96%B9b%E7%9A%84%E5%B9%B3%E6%96%B9%28a-b%29%E5%88%86%E4%B9%8Ba%2Bb%E5%86%99%E6%88%90%E4%B8%8D%E5%90%AB%E6%9C%89%E5%88%86%E6%AF%8D%E7%9A%84%E5%BD%A2%E5%BC%8F-0.0201%C3%9710%E7%9A%84-5%E6%AC%A1%E6%96%B9%E7%94%A8%E7%A7%91%E5%AD%A6%E8%AE%B0%E6%95%B0%E6%B3%95%E8%A1%A8%E7%A4%BA2ab-2bc%2B2ac-b)
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