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Author:
Lin Ching Chieh
GeoGebra
New Resources
拼砌四邊形
GeoGebra笔记功能体验课件
兩組對邊相等和有直角的四邊形
球体的体积推导（优化版）
畫出對稱圖形
Discover Resources
三角形的邊長關係
球面上的座標架
正四面體反射面
分數與小數的副本
二分法优化版（视频教程见https://www.bilibili.com/video/BV1ST4y1F78g）
Discover Topics
Probability
Hypergeometric Distribution
Similar Triangles
Natural Numbers
Upper and Lower Sum or Riemann Sum