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"△三心的幾何推理" by Ching-Feng Yang

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本單元引進「幾何推理」的方式，

來介紹三角形的外心、內心、重心等性質。

  • Published 01/24/10
  • Learners 25
  • Views 76
  • Questions 21

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毓翔 沈
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by 毓翔 沈 translation missing: en, on 02/27/10

YA!

小羊 楊
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by 小羊 楊 translation missing: en, on 04/16/10

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Published 04/16/10 by 小羊 楊
  • Current rating: 0.6
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YA!
Published 02/27/10 by 毓翔 沈

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About Ching-Feng Yang

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