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1984全国理4
Author:
常振虎
GeoGebra
New Resources
美國國旗 (Codex, 2026.10.06)
算柱 (兩位數)
幾何作圖題：切三圓（題目）
美國國旗 (Codex 版)
AI 訓練教室
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三角函數圖形（全）
數學作業
軌跡五、六︰移動點與兩直線保持相等距離(平行線/角平分線)
放射狀旋轉圖形(1)
正方形堆垛
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Root
Exponential Functions
Straight Lines
LCM and GCD
Polygons