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rectangle
Author:
andrewlau917
GeoGebra
New Resources
正方形雪花图案
活动三：应用性质
撒针估算面积实验
双心四边形
龙形曲线-分形龙2
Discover Resources
How to draw a decagon with ruler and compasses?
橢圓的定義
二進位翻牌
Copy of 畢氏樹
在釘點紙上畫三角形
Discover Topics
Scalene Triangles
Rectangle
Conic Sections
Optimization Problems
Polygons