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engiisec2 modified
作者：
tkutt
GeoGebra
最新資源
רישום חופשי
Parallel Lines and Angles: Thinking Classroom Exploration
巧算長方形周界
Perimeter of a Rectangle with Unknown Sides
Export grapfics view
探索資源
ratio of two segments as a measure for length
other reference document
Fibonacci Spiral Neva Heart
Three Semicircles Puzzle
Inscribed Angles #1
探索主題
反射
平均數
複數
向量
全等