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两平面夹角

Author:刘莹

New Resources

  • 找出對稱軸
  • 四邉形 (四年級) 教師版
  • 畫出對稱圖形
  • 四邊形的特性
  • 算柱 (兩位數)

Discover Resources

  • 橢圓與雙曲線折紙
  • 滾動的圓
  • 指數函數與多項式函數
  • Copy of 拼圖遊戲
  • 週長面積皆相等的不全等三角形

Discover Topics

  • Straight Lines
  • Ellipse
  • Probability
  • Area
  • Fractal Geometry
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