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Author:
Chan Yip-Cheung
GeoGebra
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三半圓間的相切圓(Codex╱2026.10.07)
近似值：有效數字
幾何作圖題：切三圓（題目）
Claude 解幾何題
伊朗國旗 (Codex╱2026.10.07)
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Probability(概率）
座標網格的複數映射
gyzqx 共頂點的圓錐曲線
希羅公式
等差数列计算练习
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Rational Numbers
General Quadrilateral
Hypothesis Testing
Terms
Vectors 2D (Two-Dimensional)