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GeoGebra
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國旗 (作圖步驟直接餵給 Claude)
幾何作圖題：切三圓（題目）
長方體平面投影 (Codex版)
小数 的副本
三半圓間的相切圓(Codex╱2026.10.07)
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三角形外角和為360度
Quadratic Inequalites(ax^2+bx+c)
百變糖果棒
正方形
勾股定理：射影无字证明
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Optimization Problems
Conic Sections
Polygons
Correlation
Step Functions