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李冠逸 拋物面反射
Author:
kevin20020905
GeoGebra
New Resources
判斷球體
兩組對邊相等的四邊形
找出對稱軸
錐體建築師
直角坐標平面上的旋轉變換
Discover Resources
方格紙上畫平行四邊形3
技巧
旁心三角形的九點圓
正十二面體展開圖
GeoGebra合作伙伴关系
Discover Topics
Numbers
Upper and Lower Sum or Riemann Sum
Tangent Function
Inequalities
Diagrams