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Author:羅驥韡 (Pegasus Roe)

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拼砌四邊形
畫出對稱圖形
四邉形 (四年級) 教師版
GeoGebra笔记功能体验课件
錐體建築師

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正方形和長方形有甚麼特性？
EX3.18
認識對稱圖形
Triangles with the same height
指對數圖形與交點個數

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