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happy birthday

Author:李春培
happy birthday

New Resources

  • GeoGebra笔记功能体验课件
  • 拼砌四邊形
  • 兩位數除以一位數(二)
  • 兩位數加法
  • 球体的体积推导(优化版)

Discover Resources

  • 三角形的邊長
  • Ex5C#1
  • 三角函數的繪圖1
  • 高中二年級向量的副本
  • 双心四边形

Discover Topics

  • Diagrams
  • Isosceles Triangles
  • Stochastic Process or Random Process
  • Function Graph
  • Trigonometric Functions
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