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勒洛四面体（拼接法）
Author:
孟宝兴
GeoGebra
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三半圓間的相切圓(Codex╱2026.10.07)
畫出對稱圖形
國旗 (作圖步驟直接餵給 Claude)
sanjiaohanshu
美國國旗 (Codex 版)
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線性組合3：正方形
trigonometry
不规则平移
堆四顆球
等距曲线ggb作图法
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Triangles
Equilateral Triangles
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