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diagonals bisect each other
作者：
robert.gardner
GeoGebra
最新資源
Sine and Cosine on the Unit Circle
apec
Steel Chair
Which Quadrilateral is Which?
Parallel Line Image Maker
探索資源
Función Valor Absoluto
Lab04: GeoGebra and Functions Exploration
Start, copy a triangle
Sound Waves
Isabelle Garand_equilateral triangle
探索主題
線性規劃或線性最佳化
三角學
特殊點
內切圓
正切線或正切