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拼貼3
Author:
李伶芳
GeoGebra
New Resources
异形操场
龙形曲线-分形龙
双心四边形
圓的切線方程
龙形曲线-分形龙2
Discover Resources
費爾巴哈(Feuerbach)定理
正方體一筆畫
Angle between 2 planes
學習活動五之二在解區域中由平行線法找出極值解的可能位置
Regular Tetrahedron
Discover Topics
Geometric Transformations
Distributions
Trigonometry
Right Triangles
Fractal Geometry