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Author:
GeoGebra Institute of WuXi
GeoGebra
New Resources
拼砌四邊形
畫出對稱圖形
兩位數加法
球体的体积推导（优化版）
四邊形的特性
Discover Resources
不等式的應用
正立方體展開
Ch 12 Angles related to straight lines
廣義三角：sin, cos
線的面化
Discover Topics
Fractal Geometry
Cuboid
Geometry
Translation
Linear Programming or Linear Optimization