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Equations of Circles 圓方程
Author:
Alex CHIK
GeoGebra
gMath 互動數學教室
http://www.gmath.hk
New Resources
【案例】2013年安徽高考15题
畫出對稱圖形
判斷球體
球體建築師
兩位數除以一位數（一）
Discover Resources
變色孔雀
梯形
周界2
Copy of 多边形外角和
sin(x) 的函數圖形的副本
Discover Topics
Isosceles Triangles
Linear Programming or Linear Optimization
Vectors 3D (Three-Dimensional)
Curve Sketching
Equilateral Triangles