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翰林數學_2下_CH3-1_三角形的內角與外角

Author:翰林數學

New Resources

  • 判斷球體
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  • 画直线等分三角形的面积
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  • 拼砌四邊形

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Discover Topics

  • Curve Sketching
  • Division
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  • Angles
  • Solids or 3D Shapes
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