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周界

Author:kennylau, Anthony OR 柯志明

周界

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找出對稱軸
Nested spiral octagon
國旗 (Claude 版)
幾何作圖題：切三圓（題目）
伊朗國旗 (Codex╱2026.10.07)

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阿波羅尼斯問題：與三圓相切的圓
Quiz on the N-th Term of a Sequence 數列的第n項：測驗
test
gjh-g02-00 雙項乘以雙項.png
齒輪作圖

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