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Author:
羅驥韡 (Pegasus Roe)
GeoGebra
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算柱 (兩位數)
畫出對稱圖形
兩位數加法
兩位數除以一位數（二）
四邉形 (四年級) 教師版
Discover Resources
面积与面积问题
GeoGebra 動畫開關按鈕製作
生活中的平面圖形關係─全等
P53_3a
Equal arcs, equal angles, equal chords
Discover Topics
Vectors 3D (Three-Dimensional)
Matrices
Centroid or Barycenter
Similarity Transformation or Similarity
Natural Numbers