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2大長方形的周界

Author:maths_p5

New Resources

  • 找出對稱軸
  • 三位數除以一位數(二)
  • 画直线等分三角形的面积
  • 拼砌四邊形
  • 兩組對邊相等的四邊形

Discover Resources

  • 西姆松定理推廣(西姆松圓)
  • 圓系
  • 周界
  • mooc第四讲作业单晨
  • 固定周界的長方形的面積變化(周界是200厘米)

Discover Topics

  • Similarity Transformation or Similarity
  • Right Triangles
  • Geometric Transformations
  • LCM and GCD
  • Constructions
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