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GeoGebra
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龙形曲线-分形龙
斐波那契螺旋弧线（表格法-可动态调节）
比較五件物件的重量
活动三：应用性质
双心四边形
Discover Resources
方格紙上畫正方形2
方格紙上畫長方形2
math1
高中数学
Copy of 周界
Discover Topics
Curve Sketching
Symmetry
Power Functions
Pyramid
Circumcircle or Circumscribed Circle