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Author:
鍾文欽
GeoGebra
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兩組對邊相等和有直角的四邊形
拼砌四邊形
錐體建築師
四邉形 (四年級) 教師版
畫出對稱圖形
Discover Resources
分數的加法
平面與正立方體的截痕
Copy of 固定面積的圖形的周界變化
多点联动
序列的应用案例--挤油的圆
Discover Topics
Optimization Problems
Arithmetic
Sphere
Constructions
Differential Equation