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椭圆内光线的反射
Author:
GeoGebra Institute of WuXi
New Resources
科赫雪花
异形操场
龙形曲线-分形龙
平行線的判定
正方形雪花图案
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圓形,三角形軌跡觀察
布丰投针实验
test
黎曼和(Riemann Sum)
f(x)=sinx的圖形--伸縮與平移
Discover Topics
Isosceles Triangles
Root
Scatter Plot
Limits
Expected Value