一道初三作业题设方程2002^2x^2-2003*2001x-1=0的较大根为r,方程2001x^2-2002x+1=0的较小根为s,则r-s的值为___ 详细过程
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![一道初三作业题设方程2002^2x^2-2003*2001x-1=0的较大根为r,方程2001x^2-2002x+1=0的较小根为s,则r-s的值为___ 详细过程](/uploads/image/z/14714525-29-5.jpg?t=%E4%B8%80%E9%81%93%E5%88%9D%E4%B8%89%E4%BD%9C%E4%B8%9A%E9%A2%98%E8%AE%BE%E6%96%B9%E7%A8%8B2002%5E2x%5E2-2003%2A2001x-1%3D0%E7%9A%84%E8%BE%83%E5%A4%A7%E6%A0%B9%E4%B8%BAr%2C%E6%96%B9%E7%A8%8B2001x%5E2-2002x%2B1%3D0%E7%9A%84%E8%BE%83%E5%B0%8F%E6%A0%B9%E4%B8%BAs%2C%E5%88%99r-s%E7%9A%84%E5%80%BC%E4%B8%BA___++%E8%AF%A6%E7%BB%86%E8%BF%87%E7%A8%8B)
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