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梯形面積(求上底)
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lkkbmaths teachers 檔案儲存用
GeoGebra
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直角坐標平面上的旋轉變換
美國國旗 (Codex, 2026.10.06)
伊朗國旗 (Codex╱2026.10.07)
Nested spiral octagon
長方體平面投影 (Codex版)
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商高定理2
ego-motion
circle
辽南协作校10题
S3 Ex4.3 Q05(3D圖)
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Division
Coordinates
Square
Parallelogram
Unit Circle