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外心

Author:吳淑惠

Topic:Constructions

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拼砌四邊形
三位數除以一位數（二）
錐體建築師
球體建築師
兩組對邊相等的四邊形

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小學數學科 HTML5 Applets
Operations on Complex Numbers 複數的運算
Copy of 劉徽的「割圓術」
勒洛三角形任意點P軌跡
测试问题

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Similarity Transformation or Similarity
Percentages
LCM and GCD
Planes
Incircle or Inscribed Circle

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