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Author:Yin Kelvin Wong

New Resources

  • 兩位數除以一位數(一)
  • 拼砌四邊形
  • 兩組對邊相等和有直角的四邊形
  • 畫出對稱圖形
  • 判斷球體

Discover Resources

  • 正立方形與兩面角
  • Q5
  • 箭頭引導法計算文字乘以文數字
  • Area of a cricle by n-polygon
  • 正方体、正四面体的外接球

Discover Topics

  • Centroid or Barycenter
  • Histogram
  • Power Functions
  • Geometric Mean
  • Poisson Distribution
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