欢迎使用 [url=https://www.geogebra.org/geometry]GeoGebra 几何应用[/url]! 通过些视频教程和小程序集, 学习如何创建多边形, 可视化变换, 格式化作图等等.
李英
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- Target Group (Age)
- 11 – 19+
- Language
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