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פרבולה, מלבן ומשולשים
作者：
Esther Gruenhut
GeoGebra
最新資源
רישום חופשי
Building Parallelograms with Set Areas
Conway Circle Theorem
Parallelogram Anatomy
Rolling Circles and Polygons
探索資源
Flag Perimeter-Area
gogbra
Escher's Lizard Tessellation
Lesson 2 Cool Down: Constructing a Parallel Line
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