证明中点坐标公式A(x1,y1) B(x2,y2) 则线段AB的中点C((x1+x2)/2,(y1+y2)/2)证明这个中点坐标公式最好是用向量有关知识证明,
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![证明中点坐标公式A(x1,y1) B(x2,y2) 则线段AB的中点C((x1+x2)/2,(y1+y2)/2)证明这个中点坐标公式最好是用向量有关知识证明,](/uploads/image/z/6574472-8-2.jpg?t=%E8%AF%81%E6%98%8E%E4%B8%AD%E7%82%B9%E5%9D%90%E6%A0%87%E5%85%AC%E5%BC%8FA%EF%BC%88x1%2Cy1%EF%BC%89+B%EF%BC%88x2%2Cy2%EF%BC%89+%E5%88%99%E7%BA%BF%E6%AE%B5AB%E7%9A%84%E4%B8%AD%E7%82%B9C%28%EF%BC%88x1%2Bx2%EF%BC%89%2F2%2C%EF%BC%88y1%2By2%EF%BC%89%2F2%29%E8%AF%81%E6%98%8E%E8%BF%99%E4%B8%AA%E4%B8%AD%E7%82%B9%E5%9D%90%E6%A0%87%E5%85%AC%E5%BC%8F%E6%9C%80%E5%A5%BD%E6%98%AF%E7%94%A8%E5%90%91%E9%87%8F%E6%9C%89%E5%85%B3%E7%9F%A5%E8%AF%86%E8%AF%81%E6%98%8E%2C)
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