等边三角形ABC的边长为4,以AB边所在的直线为X轴,AB边的中点为原点,建立直角坐标系,则点C的坐标为最好有那张坐标系的图
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![等边三角形ABC的边长为4,以AB边所在的直线为X轴,AB边的中点为原点,建立直角坐标系,则点C的坐标为最好有那张坐标系的图](/uploads/image/z/13293505-1-5.jpg?t=%E7%AD%89%E8%BE%B9%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E7%9A%84%E8%BE%B9%E9%95%BF%E4%B8%BA4%2C%E4%BB%A5AB%E8%BE%B9%E6%89%80%E5%9C%A8%E7%9A%84%E7%9B%B4%E7%BA%BF%E4%B8%BAX%E8%BD%B4%2CAB%E8%BE%B9%E7%9A%84%E4%B8%AD%E7%82%B9%E4%B8%BA%E5%8E%9F%E7%82%B9%2C%E5%BB%BA%E7%AB%8B%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%2C%E5%88%99%E7%82%B9C%E7%9A%84%E5%9D%90%E6%A0%87%E4%B8%BA%E6%9C%80%E5%A5%BD%E6%9C%89%E9%82%A3%E5%BC%A0%E5%9D%90%E6%A0%87%E7%B3%BB%E7%9A%84%E5%9B%BE)
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