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已知長方形周界和長求闊
Author:
Anthony OR 柯志明
Topic:
Perimeter
https://www.geogebra.org/m/m7mzr337
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sanjiaohanshu
Claude 解幾何題
找出對稱軸
伊朗國旗 (Codex╱2026.10.07)
幾何作圖題：切三圓（題目）
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多邊形的切割與拼砌的副本
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