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(2007•泰安)如图,8×8方格纸的两条对称轴EF,MN相交于点O,对图a分别...
(2007•泰安)如图,8×8方格纸的两条对称轴EF,MN相交于点O,对图a分别作下列变换:
①先以直线MN为对称轴作轴对称图形,再向上平移4格;
②先以点O为中心旋转180°,再向右平移1格;
③先以直线EF为对称轴作轴对称图形,再向右平移4格,
其中能将图a变换成图b的是( )
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A.①②
B.①③
C.②③
D.③
考点分析:
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