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更新时间:2021-05-08 20:30:26
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【推荐1】如图,若在象棋盘上建立直角坐标系,使“兵”位于点
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【推荐2】直角坐标系中,点P(x,y)在第三象限,且P到x轴和y轴的距离分别为3、4,则点P的坐标为( )
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【推荐1】在平面直角坐标系中,已知
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【推荐1】如图,∠MON内有一点P,P点关于OM的轴对称点是G,P点关于ON的轴对称点是H, GH分别交OM、ON于A、B点,若
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