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分數加法

Author:昌SIR

同分母分數加法

New Resources

  • 兩組對邊相等和有直角的四邊形
  • 拼砌四邊形
  • 直角坐標平面上的旋轉變換
  • 球體建築師
  • 四邉形 (四年級) 教師版

Discover Resources

  • Gazing Cow Problem (d)
  • 放大/縮小 Resize
  • 纏繞畫1
  • 圆的面积展开的副本
  • 等比数列前n项和公式

Discover Topics

  • Line Segment
  • Similar Triangles
  • Rotation
  • Parabola
  • Confidence Interval
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