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天干與地支

Author:李春培

New Resources

  • Earth with coastline
  • 小数 的副本
  • 兩組對邊相等和有直角的四邊形
  • Nested spiral octagon
  • sanjiaohanshu

Discover Resources

  • 「相似三角形」任务2
  • 圓周 (圖形E)
  • 正切函數 y=Tan(x)
  • 三角形的构成的副本
  • 动点最值&旋转&椭圆模型

Discover Topics

  • Similarity Transformation or Similarity
  • Equations
  • Optimization Problems
  • Orthocenter
  • Vectors 2D (Two-Dimensional)
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