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Author:
戴選治
GeoGebra
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祖冲之的期望：内棋与外棋
百分數及其應用
龙形曲线-分形龙2
龙形曲线-分形龙
比較五件物件的重量
Discover Resources
量度身高
线与平面的位置关系
拋物線5--包絡線法
Copy of 指數函數與對數函數圖形圖形(同底)
旋转的台阶
Discover Topics
Quadrilaterals
Plane Figures or Shapes
Reflection
Optimization Problems
Difference and Slope