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椭圆的定义

Author:jjx01
Topic:Conic Sections, Ellipse

New Resources

  • 四邉形 (四年級) 教師版
  • 三位數除以一位數(一)
  • 拼砌四邊形
  • 兩位數除以一位數(二)
  • 【案例】圆柱体内放置一个大球六个小球

Discover Resources

  • 探究平行四邊形面積(2)
  • 勝者即正義
  • 各種五邊形
  • Space-filling curve2
  • 圆面积的推导-开普勒法

Discover Topics

  • Pythagoras or Pythagorean Theorem
  • Solids or 3D Shapes
  • Symmetry
  • Rhombus
  • Quadrilaterals
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