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餘弦定理修正項及風車證明

Author:薛鈞聰

New Resources

  • 柱體建築師
  • 四邉形 (四年級) 教師版
  • 兩組對邊相等和有直角的四邊形
  • 錐體建築師
  • 拼砌四邊形

Discover Resources

  • Trisectin the cube into 3 pyramids
  • Drawing quadrilaterals on the grid or the pinboard
  • 三角形三邊大小關係(國小五上翰林4-1)
  • 三角形外心的位置
  • 割圓

Discover Topics

  • Natural Numbers
  • Symmetry
  • Hyperbola
  • Integral Calculus
  • Arithmetic Operations
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