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Sine Formula 正弦公式
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.geogebra.hk
New Resources
GeoGebra笔记功能体验课件
找出對稱軸
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
畫出對稱圖形
Discover Resources
繪畫三角形的外接圓
Demo
展開基本
徐峻彥's GGB book
函数作图工具的副本
Discover Topics
Straight Lines
Cylinder
Function Graph
Natural Numbers
Power Functions