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[学用] 勾股定理的几何原本证明
Author:
acchu
GeoGebra
New Resources
斐波那契螺旋弧线（表格法-可动态调节）
活动三：应用性质
正方形雪花图案
百分數及其應用
龙形曲线-分形龙2
Discover Resources
旋轉矩陣
Box method for multiplication
Angle between a Line and a Plane
小六容量和體積_裝箱問題
轴对称的两点的动画演示.许兴华数学
Discover Topics
Power Functions
Surface
Parabola
Geometry
Cone