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Author:
Altmann Cho
GeoGebra
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【案例】2013年安徽高考15题
找出對稱軸
判斷球體
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
Discover Resources
平行四邊形之變奏I
教學－棱錐摺紙樣式
folding aeroplane
F2_Ch11.2_三角學(邊長與角的關係)
三角形重心、垂心、內心、外心、尤拉線、九點圓圖解
Discover Topics
Hypergeometric Distribution
Scalene Triangles
Exponent
Equilateral Triangles
Combinatorics