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Author:
johnmayhk
GeoGebra
New Resources
拼砌四邊形
四邊形的特性
球体的体积推导
GeoGebra笔记功能体验课件
三位數除以一位數（二）
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費氏螺旋 (試算表)
Proof35 高士哲
勝者即正義，可愛即正義～(可用Ctrl+滑鼠滾輪放大界面)
sin(x) 的函數圖形的副本
结果10以内加法
Discover Topics
Incircle or Inscribed Circle
Conditional Probability
Interest Calculation
Quadratic Functions
Natural Numbers