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示例2
Author:
言小俞
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
美國國旗 (Codex 版)
兩組對邊相等的四邊形
畫出對稱圖形
Discover Resources
一題多解,托勒密,代數,三角,柯西,鍾元杰
以面積固定平行線軌跡
線外一點
串珠
黄金三角形到螺旋线（表格法）
Discover Topics
Natural Numbers
Conic Sections
Incircle or Inscribed Circle
Triangles
Hypothesis Testing