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Author:
Alex Leong
GeoGebra
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圓的基本性質
圓周公式的應用
祖冲之的期望：内棋与外棋
折扣
常见四边形是否是双心四边形
Discover Resources
Task 2 Equilateral Triangle
Quiz on Solving Inequalities 解不等式：測驗
分解三棱柱
∆ABD 面積 = ?
正二十面體內接黃金矩形
Discover Topics
Linear Programming or Linear Optimization
Polygons
Orthocenter
Tangent Function
Ratios