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密鋪圖形
Author:
Ted Yip
New Resources
椭圆内切圆链
盈利與虧蝕
撒针估算面积实验
GeoGebra数学资源(4-8年级)
科赫雪花
Discover Resources
Enneper's surface
ggb-fs-a1
Quiz on Solving Right Triangles (Finding Angles) 解直角三角形:測驗2(求角度)
共頂點、底共線
蜘蛛網
Discover Topics
Differential Equation
Circumcircle or Circumscribed Circle
Derivative
Poisson Distribution
Logic