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过圆上一点作切线,三步

Author:u.jianwang

New Resources

  • 兩組對邊相等和有直角的四邊形
  • 球體建築師
  • 兩組對邊相等的四邊形
  • 畫出對稱圖形
  • 球体的体积推导

Discover Resources

  • 色彩視覺藝術:奇幻光圈
  • 擴分、約分及比較大小
  • 平行線 (同位角 - 1對)
  • 【物理】引力波
  • 繪畫梯形

Discover Topics

  • Constructions
  • Orthocenter
  • Unit Circle
  • Line Segment
  • Cuboid
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