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國旗上傳測試
Author:
Tone
GeoGebra
New Resources
幾何作圖題：切三圓（題目）
美國國旗 (Codex, 2026.10.06)
長方體平面投影 (Codex版)
Nested spiral octagon
中華民國國旗 (Codex╱2026.10.06)
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正立方體展開動畫
畫三角形 題1b
畫三角形 題2c
題四
伸縮變換的副本
Discover Topics
Linear Equations
General Quadrilateral
Standard Deviation
Perimeter
Exponential Functions