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Author:
孟宝兴
GeoGebra
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幾何作圖題：切三圓（題目）
三半圓間的相切圓(Codex╱2026.10.07)
AI 訓練教室
國旗 (作圖步驟直接餵給 Claude)
長方體平面投影 (Codex版)
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simple arena
圓與三角形
Copy of gjc091b18 圓的割線
Centroid
Copy of 拉格朗日插值多項式
Discover Topics
Orthocenter
Natural Numbers
Scalene Triangles
Linear Programming or Linear Optimization
Combinatorics
