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Orthocentre
Author:
Big Lee
GeoGebra
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第八周作业1
龙形曲线-分形龙2
斐波那契螺旋弧线(表格法-可动态调节)
第三周作业效果演示
折扣
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全等三角形
三角形內心_不完美版
doto属性研究
同頂角_2
禪繞畫
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Right Triangles
Perimeter
Linear Regression
Rotation
Triangles