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Forming of Triangle(XXXX)
Author:
Chu
GeoGebra
New Resources
斐波那契螺旋弧线（表格法-可动态调节）
平行線的判定
比較五件物件的重量
正方形雪花图案
第三周作业效果演示
Discover Resources
九點圓 (9-Point Circle)
等周長的扇形與矩形
題五
Apollonius Problem gergonne 4
面積的量度
Discover Topics
Vectors 3D (Three-Dimensional)
Quadrilaterals
Cone
Rotation
Orthocenter