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倍长中线以及一线三等角的应用
Author:
谢鹏
GeoGebra
New Resources
找出對稱軸
兩組對邊相等的四邊形
四邊形的特性
三位數除以一位數（二）
畫出對稱圖形
Discover Resources
黎曼和
重複排列
正三角疊代
公平的切蛋糕 Selfridge-Conway 免嫉妒分法(envy-free cake-cutting)
直线与平面垂直的折纸实验
Discover Topics
Fractal Geometry
Boxplot
Equations
Pyramid
Line Segment