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垂心(劉虹圻623)

Author:呂麗珠
Topic:Orthocenter

New Resources

  • 算柱 (兩位數)
  • 柱體建築師
  • 兩組對邊相等和有直角的四邊形
  • 找出對稱軸
  • 四邊形的特性

Discover Resources

  • 複合棒形圖: 圖一
  • ghseh 二次函數動畫左右平移
  • 定周长的正多边形面积变化规律(含圆)
  • arithmetic operation
  • 生长的海螺

Discover Topics

  • Plane Figures or Shapes
  • Dilation
  • Scalene Triangles
  • Secant Line or Secant
  • Derivative
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