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Author:cfcheuk

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國旗 (作圖步驟直接餵給 Claude)
Nested spiral octagon
Earth with coastline
三半圓間的相切圓(Codex╱2026.10.07)
長方體平面投影 (Codex版)

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tan(α) tan(β) = ?
不等式
鏡射的副本
C60足球模型（多边形）
圓心在同一直線上且相切的圓(半徑可改變)

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Matrices
Isosceles Triangles
Upper and Lower Sum or Riemann Sum
Orthocenter
Polynomial Functions

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