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Author:
陳允杰
GeoGebra
New Resources
找出對稱軸
GeoGebra笔记功能体验课件
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
兩位數除以一位數（一）
Discover Resources
初二奥数：全等三角形
九點共圓
拋物線2-焦點法
解三角形（１）
探究平行四邊形面積
Discover Topics
General Quadrilateral
Derivative
Linear Programming or Linear Optimization
Root
Scatter Plot