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光折射

Author:
kevin20020905

New Resources

  • 勾股定理的直观证明(义务教育数学 新课标-例82)
  • 新课标例86 箱线图与百分位数
  • 繪畫長方形
  • 随机三角形背景
  • GeoGebra创建的小游戏集

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  • 十字轉換成2正方形
  • 柱體體積(四邊形)
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  • 蜗牛壳模型

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