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橢圓之極偶 / polarity for ellipse

Author:XIE Yuheng

New Resources

  • 兩位數除以一位數(一)
  • 異分母分數減法
  • 兩位數加法
  • 三位數除以一位數(一)
  • 柱體建築師

Discover Resources

  • 根據百分率找數量(二): 例2
  • semops_柱體
  • 週長面積皆相等的不全等三角形
  • 探究三角形的全等條件
  • 数一数这是几边形

Discover Topics

  • Arithmetic Operations
  • Probability
  • Ellipse
  • Logarithm
  • Constructions
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