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  • 找出對稱軸
  • Earth with coastline
  • sanjiaohanshu
  • 判斷球體
  • 長方體平面投影 (Codex版)

Opdag Ressourcer

  • 格子點問題
  • Quiz on Projection of a Line Segment on a Plane 投影:測驗
  • proof24 羅文頡
  • 四角柱體(長方體)的截面
  • 畢氏定理 (勾股定理) <Pythagorean theorem>

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