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三節棍1060317
Author:
陳正鴻
GeoGebra
New Resources
球体的体积推导（优化版）
【案例】圆柱体内放置一个大球六个小球
【案例】2013年安徽高考15题
兩位數加法
兩組對邊相等和有直角的四邊形
Discover Resources
Locus
內切圓滾動有圖更新
九點圓
周界
二次函数的探究
Discover Topics
Pythagoras or Pythagorean Theorem
Subtraction
Linear Programming or Linear Optimization
Real Numbers
Median Line