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GeoGebra
GeoGebra Classroom
GeoGebra
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Author:
徐长俊
GeoGebra
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撒针估算面积实验
折扣
第三周作业效果演示
异形操场
三角函数 的副本
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Where is Micky?
橢圓包絡線
三視圖03
基础知识
球面坐標
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Symmetry
Inequalities
Polynomial Functions
Pyramid
Addition