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同心圓
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許清惟
GeoGebra
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伊朗國旗 (Codex╱2026.10.07)
算柱 (兩位數)
sanjiaohanshu
畫出對稱圖形
Claude 解幾何題
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任務3
量角器
DSE Circle-ACT01C Distance between Chords and Centre of a Circle
congruent (SS) 2
第五組-畢氏定理
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Cube
Similar Triangles
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Sine
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