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圓與三角形的中點軌跡
Forfatter
劉彥宏
GeoGebra
Nye Materialer
兩組對邊相等的四邊形
拼砌四邊形
兩組對邊相等和有直角的四邊形
找出對稱軸
小数 的副本
Opdag Ressourcer
點到直線距離4：同心圓擴大
函數
[S2] a revised version of Jane’s GeoGebra file (modified by the author)
單向函數
折纸角度探究1
Udforsk emner
Vectorer 2D (Todimensionel)
Logaritme
Tangentlinje eller Tangent
Parallelforskydning
Trekanter