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蝴蝶公式
Author:
Gideon Huang
請拖曳A、B、C、D四點，觀察角A、角B、角C、角D的關係
GeoGebra
New Resources
球體建築師
畫出對稱圖形
兩組對邊相等和有直角的四邊形
找出對稱軸
GeoGebra笔记功能体验课件
Discover Resources
三角形外角和=360⁰
小遊戲(Butterfly)
折線運動1
If指令的應用1
基础知识
Discover Topics
Sine
Solids or 3D Shapes
Surface
Vectors 2D (Two-Dimensional)
Conic Sections