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Author:
林鳳美
GeoGebra
New Resources
拼砌四邊形
四邉形 (四年級) 教師版
画直线等分三角形的面积
四邊形的特性
兩位數加法
Discover Resources
方格紙上畫四邊形
畢氏定理
立方體展開圖
正切函數的絕對值圖形
圓冪性質
Discover Topics
Real Numbers
Hyperbola
Means
Centroid or Barycenter
Linear Programming or Linear Optimization