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三角四星
Author:
吳秉沂
GeoGebra
New Resources
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（一）
判斷球體
球體建築師
Discover Resources
happy birthday
正四棱錐
考卷圖片
巧算周界
空间中两直线的位置关系
Discover Topics
Linear Equations
Centroid or Barycenter
Piecewise Functions
Pie Chart or Circle Chart
Vectors 3D (Three-Dimensional)