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橢圓之極偶 / polarity for ellipse

Author:XIE Yuheng

New Resources

  • 四邉形 (四年級) 教師版
  • GeoGebra笔记功能体验课件
  • 算柱 (兩位數)
  • 兩組對邊相等的四邊形
  • 畫出對稱圖形

Discover Resources

  • 圓 點 直線
  • 底數大於1,指對數函數交點情形。
  • 滾動的圓
  • glt-h01-03 圓柱展開圖(I)
  • folding paper by Mr LO WY

Discover Topics

  • Addition
  • Quadratic Functions
  • Quadrilaterals
  • Square
  • Prism
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