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三圓外切

Author:AlexWang

New Resources

  • Earth with coastline
  • Nested spiral octagon
  • 畫出對稱圖形
  • 四邉形 (四年級) 教師版
  • 兩組對邊相等的四邊形

Discover Resources

  • 量角器
  • 圓上的角任務(一): 提示卡(三)
  • duality of regular polyhedron
  • 橢圓3--平行四邊形法
  • 圆面积和周长展开示意图

Discover Topics

  • Congruence
  • Continuity
  • Function Graph
  • Random Experiments
  • Expected Value
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