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ptccs2new4
Author:
Cheung Wing Chuen
GeoGebra
New Resources
球体的体积推导（优化版）
【案例】2018年全国1卷理科12题
錐體建築師
找出對稱軸
GeoGebra笔记功能体验课件
Discover Resources
trapezium
地球20160328
黃金三角形
分数应用题数量关系线段图示
指數函數與對數函數圖形圖形(同底)
Discover Topics
Rhombus
Translation
Interest Calculation
Special Points
Real Numbers