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垂心的動畫

Author:黃國斌

New Resources

  • 第八周作业
  • 兩位數除以一位數(二)
  • 異分母分數減法
  • 兩組對邊相等和有直角的四邊形
  • 兩位數加法

Discover Resources

  • Quiz on Angles associated with Parallel Lines 平行線上的角:測驗
  • Surface area of sphere
  • 拼貼2
  • 拼出三角形
  • 公平的切蛋糕 Selfridge-Conway 免嫉妒分法(envy-free cake-cutting)

Discover Topics

  • Quadrilaterals
  • Quadratic Equations
  • Surface
  • Statistics
  • Planes
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