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螢橋國中 周孟承
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螢橋國中
GeoGebra
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國旗 (Claude 版)
找出對稱軸
美國國旗 (Codex, 2026.10.06)
湖南省张毅郴数字教研工作室 logo
幾何作圖題：切三圓（題目）
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垂足三角形
塗色
Angle at Centre
-3/2 ≤ cosα + cosβ + cosγ ≤ 3
二面角
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Linear Programming or Linear Optimization
Vectors
Unit Circle
Means
Triangles