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買四送一
Author:
周錦鋒
GeoGebra
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中華民國國旗 (Codex╱2026.10.06)
找出對稱軸
幾何作圖題：切三圓（題目）
世界平面地圖 (Codex╱2026.10.07)
AI 訓練教室
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讀量杯上的刻度
正多角柱(簡易)
maze-temp
面積
同心圓
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Matrices
Circle
Similar Triangles
Secant Line or Secant
Cone