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正n邊形內接縮小正n邊形
Author:
許清惟
GeoGebra
New Resources
長方體平面投影 (Codex版)
國旗 (作圖步驟直接餵給 Claude)
幾何作圖題：切三圓（題目）
世界平面地圖 (Codex╱2026.10.07)
Fibonacci Clock
Discover Resources
外心
Salaries Tax (F.3)
parallelogram and squares
圓柱體與長方形的關係
언제부터인지 몰르겟는데 ..
Discover Topics
Median Line
Intersection
Means
Probability
Plane Figures or Shapes