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弧长和扇形

Author:杨华

New Resources

  • 画直线等分三角形的面积
  • 兩位數加法
  • 兩組對邊相等的四邊形
  • 拼砌四邊形
  • 四邊形的特性

Discover Resources

  • 三角函數with sine, cosine圖形
  • 圓環扇形
  • 兩位數除三位數(商=10)
  • 描点法画一次函数图像
  • 拼砌四邊形

Discover Topics

  • Expected Value
  • Centroid or Barycenter
  • Congruence
  • Frequency Distribution
  • Similar Triangles
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