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Author:
Ng Cheuk Hei
GeoGebra
GeoGebra
New Resources
斐波那契螺旋弧线(表格法)
科赫雪花
龙形曲线-分形龙
常见四边形是否是双心四边形
折扣
Discover Resources
分數加法
簡單動畫
Apollonius Problem gergonne
example1 star
里约奥运火炬花环模型
Discover Topics
Polynomial Functions
Special Points
Cone
Exponential Functions
General Quadrilateral