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橢圓之極偶 / polarity for ellipse

Author:XIE Yuheng

New Resources

  • 四邉形 (四年級) 教師版
  • 【案例】2018年全国1卷理科12题
  • 球体的体积推导(优化版)
  • 画直线等分三角形的面积
  • 異分母分數減法

Discover Resources

  • 圓的性質
  • explore
  • 作業
  • 製作對稱圖形-釘板-LEVEL 1
  • 內擺線

Discover Topics

  • Intersection
  • Combinatorics
  • Incircle or Inscribed Circle
  • Diagrams
  • Inequalities
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