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连续开方（制作：谢建华，修订：孟宝兴）
Author:
孟宝兴
GeoGebra
New Resources
拼砌四邊形
GeoGebra笔记功能体验课件
兩位數加法
四邉形 (四年級) 教師版
三位數除以一位數（一）
Discover Resources
特別角的三角函數值(2)
圖解畢氏定理
Q3-12
阿波羅圓
P4菱形定義
Discover Topics
Equilateral Triangles
Random Experiments
Solids or 3D Shapes
Conic Sections
Similar Triangles