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Author:李政憲

New Resources

  • 兩組對邊相等的四邊形
  • 四邉形 (四年級) 教師版
  • 美國國旗 (Codex 版)
  • 畫出對稱圖形
  • 算柱 (兩位數)

Discover Resources

  • Apollonius Problem 7 CCP Inversion 12
  • 平行四邊形面積
  • GGB 1104 EX01
  • Parabola_Vertical
  • Pyramid with square base (angle between planes)

Discover Topics

  • Ellipse
  • Derivative
  • Fractal Geometry
  • Exponent
  • Ratios
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