图均为7x6的正方形网格,点A,B,C在格点上.在图中确定格点E画出以A,B,C,E为顶点并能用其一半旋转得到的四边形
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![图均为7x6的正方形网格,点A,B,C在格点上.在图中确定格点E画出以A,B,C,E为顶点并能用其一半旋转得到的四边形](/uploads/image/z/9939154-58-4.jpg?t=%E5%9B%BE%E5%9D%87%E4%B8%BA7x6%E7%9A%84%E6%AD%A3%E6%96%B9%E5%BD%A2%E7%BD%91%E6%A0%BC%2C%E7%82%B9A%2CB%2CC%E5%9C%A8%E6%A0%BC%E7%82%B9%E4%B8%8A.%E5%9C%A8%E5%9B%BE%E4%B8%AD%E7%A1%AE%E5%AE%9A%E6%A0%BC%E7%82%B9E%E7%94%BB%E5%87%BA%E4%BB%A5A%2CB%2CC%2CE%E4%B8%BA%E9%A1%B6%E7%82%B9%E5%B9%B6%E8%83%BD%E7%94%A8%E5%85%B6%E4%B8%80%E5%8D%8A%E6%97%8B%E8%BD%AC%E5%BE%97%E5%88%B0%E7%9A%84%E5%9B%9B%E8%BE%B9%E5%BD%A2)
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