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在平面直角坐标系中,已知点A(﹣3,6),B(﹣9,﹣3),以原点O为位似中心,相似比为,把△ABO缩小为△A′B′O,则点A的对应点A′的坐标是( )
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教案备课库《2017-2018学年福建省莆田市秀屿区九年级(上)期末数学试卷》真题及答案
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