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Escher 階梯 (Penrose Stair)
Author:
連琨銘
GeoGebra
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画直线等分三角形的面积
兩組對邊相等的四邊形
判斷球體
錐體建築師
【案例】2013年安徽高考15题
Discover Resources
小數加減
Riemann sum of double integral
简谐振动函数图像的副本
小球弹射
方块堆叠(cube))
Discover Topics
Derivative
Circumcircle or Circumscribed Circle
Geometric Mean
Kite
Straight Lines