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拼砌多邊形
Author:
Tree
GeoGebra
New Resources
第三周作业效果演示
平行線的判定
龙形曲线-分形龙
第八周作业1
球体的截面
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ex_1
時鐘與數學
Copy of 劉徽的「割圓術」
立體圖形的截面
平面截正方体
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Quadratic Functions
Inequalities
Matrices
Division
Complex Numbers