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平行四邊形的面積

Author:whtong

New Resources

  • 四邉形 (四年級) 教師版
  • 拼砌四邊形
  • 兩位數除以一位數(一)
  • 第八周作业
  • 三位數除以一位數(二)

Discover Resources

  • 用面積逼近圓周率
  • 鉛筆畫圓
  • Simple Interest 單利息
  • 正多边形内接迭代的副本
  • 微分量 (Differentials)

Discover Topics

  • Arithmetic Operations
  • Geometry
  • Logic
  • Addition
  • Cone
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