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zwjgeogebra
GeoGebra
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中華民國國旗 (Codex╱2026.10.06)
長方體平面投影 (Codex版)
幾何作圖題：切三圓（題目）
美國國旗 (Codex, 2026.10.06)
世界平面地圖 (Codex╱2026.10.07)
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史坦納圓鍊 (Steiner Chain)
二元一次聯立方程式
學資p.14第9題
projection01 by Mr LO WY
生长弧
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Quadratic Equations
Tangent Function
Random Experiments
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