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圓錐曲線conic section
Author:
陳澤瑩
GeoGebra
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長方體平面投影 (Codex版)
美國國旗 (Claude 版)
國旗 (Claude 版)
三半圓間的相切圓(Codex╱2026.10.07)
美國國旗 (Codex, 2026.10.06)
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賺賠：例3
平行四邊形
Proof of Pythagorean Theorem with Shearing
二元线性规划的图解法(练习2)
对数函数——底数大小与图形
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Mode
Centroid or Barycenter
Kite
Isosceles Triangles
Planes