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ʲô GeoGebra
GeoGebra ΪСѧѧĽѧƵĿԴ (open source) ̬ѧʹֲ˵ GeoGebra 5.0 еָ빤ߡ ԸӲ豸ƫãѡʹ桢ϰƽ棬ڽӿڵϣֻĲ졣
GeoGebra Բͬѧṩͬ (View)
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Ҫ GeoGebra ѧͣѡһĬϵĸ (Perspective)磺Menu view algebra.svg ֡ Perspectives geometry.svg θָֻ֡ʾѧӦ