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翰林數學_2下_CH4-2_平行四邊形性質

Author:翰林數學

New Resources

  • 拼砌四邊形
  • 算柱 (兩位數)
  • 兩組對邊相等和有直角的四邊形
  • 兩組對邊相等的四邊形
  • 美國國旗 (Claude 版)

Discover Resources

  • 試證明:A=B+C
  • 正多邊形收斂
  • 乘法口诀
  • 正四面體變菱形12面體
  • 尺规作图得到黄金三角形和黄金矩形

Discover Topics

  • Curve Sketching
  • Incircle or Inscribed Circle
  • Linear Equations
  • Subtraction
  • Special Points
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