圆的性质,四点同圆的充要条件请告诉一下圆内的性质(平几方面的,例相交弦定理……)还有四点同圆的平几证法(比如割线定理逆定理……)
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![圆的性质,四点同圆的充要条件请告诉一下圆内的性质(平几方面的,例相交弦定理……)还有四点同圆的平几证法(比如割线定理逆定理……)](/uploads/image/z/11541873-57-3.jpg?t=%E5%9C%86%E7%9A%84%E6%80%A7%E8%B4%A8%2C%E5%9B%9B%E7%82%B9%E5%90%8C%E5%9C%86%E7%9A%84%E5%85%85%E8%A6%81%E6%9D%A1%E4%BB%B6%E8%AF%B7%E5%91%8A%E8%AF%89%E4%B8%80%E4%B8%8B%E5%9C%86%E5%86%85%E7%9A%84%E6%80%A7%E8%B4%A8%EF%BC%88%E5%B9%B3%E5%87%A0%E6%96%B9%E9%9D%A2%E7%9A%84%2C%E4%BE%8B%E7%9B%B8%E4%BA%A4%E5%BC%A6%E5%AE%9A%E7%90%86%E2%80%A6%E2%80%A6%EF%BC%89%E8%BF%98%E6%9C%89%E5%9B%9B%E7%82%B9%E5%90%8C%E5%9C%86%E7%9A%84%E5%B9%B3%E5%87%A0%E8%AF%81%E6%B3%95%EF%BC%88%E6%AF%94%E5%A6%82%E5%89%B2%E7%BA%BF%E5%AE%9A%E7%90%86%E9%80%86%E5%AE%9A%E7%90%86%E2%80%A6%E2%80%A6%EF%BC%89)
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