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仙后座找北極星2
Author:
黃義凱
GeoGebra
New Resources
世界平面地圖 (Codex╱2026.10.07)
近似值：有效數字
國旗 (作圖步驟直接餵給 Claude)
美國國旗 (Claude 版)
Fibonacci Clock
Discover Resources
方格紙上畫梯形3
表示數線上的位置
用 Geogebra 模擬日照、影長變換
Contour Lines 等高線
投擲兩枚硬幣的概率
Discover Topics
Surface
Vectors 2D (Two-Dimensional)
Set Theory
Equilateral Triangles
Cone