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對摺平行四邊形

Author:hingchan

New Resources

  • 畫出對稱圖形
  • 【案例】2013年安徽高考15题
  • 拼砌四邊形
  • 四邉形 (四年級) 教師版
  • 判斷球體

Discover Resources

  • 與園內切且外切的圓心軌跡方程式
  • Addition / Subtraction of 3 Directed Numbers
  • 加法(粒條)
  • 畢氏定理(等面積變形法)
  • 拋物線代數性質,光學性質

Discover Topics

  • Vectors
  • Cone
  • Standard Deviation
  • Incircle or Inscribed Circle
  • Means
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