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Locus 軌跡(6T)
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
拼砌四邊形
球体的体积推导
【案例】2013年安徽高考15题
第八周作业
三位數除以一位數（一）
Discover Resources
橢圓
斯霍滕(Schooten)定理(與角平分線定理等價)
文字工具：設定旋轉文字位置
三角形的垂心
Copy of cos(x) 的圖形
Discover Topics
Linear Equations
Incircle or Inscribed Circle
Linear Regression
LCM and GCD
Trigonometric Functions