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Author:
王廷祐
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GeoGebra
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球体的体积推导（优化版）
判斷球體
四邉形 (四年級) 教師版
画直线等分三角形的面积
錐體建築師
Discover Resources
小學數學科 HTML5 Applets
Sine Formula 正弦公式
優質教育基金計劃中期分享會 (26/6/2015)
圓錐曲線
ptcc trigo level 2
Discover Topics
Curve Sketching
Incircle or Inscribed Circle
Polynomial Functions
Similar Triangles
Optimization Problems