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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
四邊形的特性
兩組對邊相等和有直角的四邊形
第八周作业
畫出對稱圖形
兩組對邊相等的四邊形
Discover Resources
畢氏定理動態證明(歐基里得，平形四邊形等面積，應用polyline)
和的完全平方
三角形外心
塔比.依本.庫拉 勾股定理證明
擲兩個硬幣的機率分布的副本
Discover Topics
Plane Figures or Shapes
Upper and Lower Sum or Riemann Sum
Congruence
Vectors 3D (Three-Dimensional)
Cube