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Triangle (Angle)

Author:Chan Kwan Ho

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世界平面地圖 (Codex╱2026.10.07)
直角坐標平面上的旋轉變換
找出對稱軸
畫出對稱圖形
Fibonacci Clock

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內切圓滾動
sin(x) 的函數圖形
ghs-a01-00 進步公式
周界
集合

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Prism
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