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错觉图形-平行线错觉
Author:
马宁
GeoGebra
New Resources
龙形曲线-分形龙2
撒针估算面积实验
盈利與虧蝕
斐波那契螺旋弧线（表格法-可动态调节）
圓的基本性質
Discover Resources
指數函數與對數函數圖形圖形(同底)
Rotational Symmetry - Cube
三角形，點上平分面積
GGB2
【随机出题】数立方体个数
Discover Topics
Curve Sketching
Circumcircle or Circumscribed Circle
Perimeter
Prism
Line Segment