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椭圆内光线的反射
Author:
GeoGebra Institute of WuXi
New Resources
兩組對邊相等的四邊形
算柱 (兩位數)
拼砌四邊形
畫出對稱圖形
找出對稱軸
Discover Resources
外心
分割三角柱
外積分配律
二元线性规划的图解法(习题4)
GGB 案例分享
Discover Topics
Area
Random Variables
Isosceles Triangles
Mathematics
General Quadrilateral
