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Quiz on Rotation 旋轉變換：測驗
Author:
Alex CHIK
Topic:
Rotation
GeoGebra 互動數學教室
http://www.geogebra.hk
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Reflection or Reflexion
Similarity Transformation or Similarity
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办理海外各国毕业 证扣/薇374936141学历认 证留信网认 证，使馆认 证，回国人员证 明
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