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作者：
eva.spelman
GeoGebra
最新資源
Building Parallelograms with Set Areas
Rolling Circles and Polygons
bewijs stelling van Pythagoras
Mondrian's Puzzle
Area of a Circle Illustrated
探索資源
Parabola Vertex (9,13)
Untitled
Quádrica de equação Ax2+By2+Cz2=1
inscribed angles
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