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Directed numbers

Author:Chan Yip-Cheung

New Resources

  • 兩位數加法
  • 兩位數除以一位數(二)
  • 兩位數除以一位數(一)
  • 兩組對邊相等的四邊形
  • 三位數除以一位數(一)

Discover Resources

  • 過圓內c點的弦中點軌跡
  • 周界
  • ptccs2new
  • 乘法计时训练
  • 〃Two〃

Discover Topics

  • Reflection
  • Diagrams
  • Solids or 3D Shapes
  • Equilateral Triangles
  • Binomial Distribution
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