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Author:ylmapsstudent

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  • 算柱 (兩位數)
  • sanjiaohanshu
  • 四邊形的特性
  • 兩組對邊相等和有直角的四邊形
  • 三位數除以一位數(二)

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  • rainbow
  • [問題] a² + b² = 1, (c-4)² + (d-2)² = 5,求 ad - bc 最大值?
  • 線性組合2: 三角形
  • 伊斯蘭窗花
  • 弹簧测力计

Discover Topics

  • Probability
  • Pythagoras or Pythagorean Theorem
  • Tree Diagrams
  • Functions
  • Similarity Transformation or Similarity
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