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正三角形的一边在正n边形上滑动时顶点的动态轨迹
Author:
肖建伟
GeoGebra
New Resources
判斷球體
球體建築師
兩組對邊相等的四邊形
Nested spiral octagon
兩組對邊相等和有直角的四邊形
Discover Resources
鉛筆的長度
拋物線
Copy of 固定周界的長方形的面積變化
Copy of Quiz on Compass Bearings
Twghmkc_運動與我
Discover Topics
Trapezoid
Incircle or Inscribed Circle
Cuboid
Probability
Polynomial Functions