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凹四边形

Author:张老师

New Resources

  • 近似值:有效數字
  • 兩位數除以一位數(一)
  • 拼砌四邊形
  • 三位數除以一位數(一)
  • 兩組對邊相等和有直角的四邊形

Discover Resources

  • 圓的基本慨念
  • [問題] 橢圓兩焦點 (6,0), (0,8)
  • 三次多項式的切線
  • 六角形(草稿)
  • y=a(x-h)²+k的副本

Discover Topics

  • Curve Sketching
  • Equations
  • Solids or 3D Shapes
  • Sequences and Series
  • Reflection
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