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旋转直角
Author:
wobbly
GeoGebra
New Resources
四邉形 (四年級) 教師版
找出對稱軸
GeoGebra笔记功能体验课件
判斷球體
兩位數除以一位數（二）
Discover Resources
平行四邊形有甚麼特性？
refraction law
Net of prism
拋物線3--平行四邊形法
认识方程
Discover Topics
Incircle or Inscribed Circle
Arithmetic Operations
Unit Circle
Rotation
Poisson Distribution