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dhc987
GeoGebra
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近似值：有效數字
世界平面地圖 (Codex╱2026.10.07)
國旗 (作圖步驟直接餵給 Claude)
三半圓間的相切圓(Codex╱2026.10.07)
幾何作圖題：切三圓（題目）
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平面幾何
GriffithsTheorem
Gazing Cow Problem (c)
幂函数的副本
i love you的副本
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Natural Numbers
Trapezoid
Scalene Triangles
Cylinder
Probability