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保持2:3:4

Author:hjyanghj
Topic:Geometry

New Resources

  • 兩位數加法
  • 兩位數除以一位數(一)
  • 兩組對邊相等和有直角的四邊形
  • 畫出對稱圖形
  • 拼砌四邊形

Discover Resources

  • 公切線長度的計算
  • 直線方程
  • http://www.qsir.org/?p=8853
  • 銀杏葉
  • 拋物線5--包絡線法

Discover Topics

  • Conditional Probability
  • Real Numbers
  • Logarithmic Functions
  • Parabola
  • Scatter Plot
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