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第12届美国中学生数学邀请赛题

Author:王俊辉

New Resources

  • 兩組對邊相等和有直角的四邊形
  • 直角坐標平面上的旋轉變換
  • Earth with coastline
  • Fibonacci Clock
  • 算柱 (兩位數)

Discover Resources

  • 九點圓 (9-Point Circle)
  • 截面法體積(2)
  • Drawing quadrilaterals on the grid or the pinboard
  • 動態文字2次函數
  • 圓與兩平行切線

Discover Topics

  • Cosine
  • Linear Regression
  • General Quadrilateral
  • Exponent
  • Division
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