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艾雪鑲嵌2
Author:
yuchengda
GeoGebra
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三位數除以一位數（一）
判斷球體
GeoGebra笔记功能体验课件
四邉形 (四年級) 教師版
找出對稱軸
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平移
圓柱
Rectangle Prism
學測指考
第八周作业2
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Equilateral Triangles
Hypothesis Testing
Translation
Plane Figures or Shapes
Multiplication