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從長方形的「周界」找回它的「長」和「闊」

Author:yip chi wai

New Resources

  • 兩位數除以一位數(二)
  • 球體建築師
  • 畫出對稱圖形
  • 兩組對邊相等和有直角的四邊形
  • 球体的体积推导(优化版)

Discover Resources

  • 以剪貼比較圖形大小 題1
  • 複利計算(1)
  • 平均線
  • 变形的正方形
  • 比一比看谁小

Discover Topics

  • Centroid or Barycenter
  • Integral Calculus
  • Vectors 2D (Two-Dimensional)
  • Sine
  • Cosine
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