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11-18的加減組合

Author:Yin Kelvin Wong

New Resources

  • 四邉形 (四年級) 教師版
  • 畫出對稱圖形
  • 算柱 (兩位數)
  • 【案例】2018年全国1卷理科12题
  • 小数 的副本

Discover Resources

  • 橢圓尺規作圖Ex01
  • Lens
  • 正十二面體裁邊 (Chamfered Dodecahedron)
  • Copy of 學生自行製作棒形圖
  • 滚动的石头

Discover Topics

  • Inequalities
  • Square
  • Difference and Slope
  • Variance
  • Rectangle
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