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数学勾股定理
Author:
xuhao
GeoGebra
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平行線的判定
百分數及其應用
斐波那契螺旋弧线(表格法-可动态调节)
椭圆内切圆链
第八周作业1
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Sequence指令練習(包絡線:橢圓)
立方體截痕
圓錐曲線
雙心運動
勾股定理证明2
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Centroid or Barycenter
Congruence
Trigonometric Functions
Perimeter
Equilateral Triangles