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椭圆的定义

Author:guomenglin
Topic:Ellipse

New Resources

  • 四邉形 (四年級) 教師版
  • 三位數除以一位數(一)
  • 畫出對稱圖形
  • 拼砌四邊形
  • 異分母分數減法

Discover Resources

  • 歷屆考題
  • 圆锥曲线包络
  • 三角形的三角和及外心、內心圓
  • Centroid
  • Copy of 畫三角形 題1a

Discover Topics

  • Surface
  • Real Numbers
  • Incircle or Inscribed Circle
  • Constructions
  • Linear Functions
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