直线2x-y+7=0与圆(x-1)的平方+(y+1)的平方=20A.相离 B.相切 C.相交但直线不过圆心 D.相交且直线过圆心
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![直线2x-y+7=0与圆(x-1)的平方+(y+1)的平方=20A.相离 B.相切 C.相交但直线不过圆心 D.相交且直线过圆心](/uploads/image/z/10398056-32-6.jpg?t=%E7%9B%B4%E7%BA%BF2x-y%2B7%3D0%E4%B8%8E%E5%9C%86%28x-1%29%E7%9A%84%E5%B9%B3%E6%96%B9%2B%28y%2B1%29%E7%9A%84%E5%B9%B3%E6%96%B9%3D20A.%E7%9B%B8%E7%A6%BB+B.%E7%9B%B8%E5%88%87+C.%E7%9B%B8%E4%BA%A4%E4%BD%86%E7%9B%B4%E7%BA%BF%E4%B8%8D%E8%BF%87%E5%9C%86%E5%BF%83+D.%E7%9B%B8%E4%BA%A4%E4%B8%94%E7%9B%B4%E7%BA%BF%E8%BF%87%E5%9C%86%E5%BF%83)
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