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符成岗

Author:符成岗

New Resources

  • 近似值:有效數字
  • Earth with coastline
  • 拼砌四邊形
  • 四邊形的特性
  • 兩組對邊相等和有直角的四邊形

Discover Resources

  • 习题,任意三点不在同一直线上的等四个点,最多能作出几个三角形
  • HOMEWORK
  • 二元一次方程式圖形
  • 拋物線6--包絡線法
  • 時距計算機

Discover Topics

  • Right Triangles
  • Dilation
  • Scalene Triangles
  • Unit Circle
  • Variance
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