Backup diff of algebra (No. 1)

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  • 1 (2009-03-20 (Fri) 23:20:19)
  • 2 (2009-03-21 (Sat) 10:46:55)

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TITLE:代数学

- [http://ja.wikipedia.org/wiki/%E4%BB%A3%E6%95%B0%E5%AD%A6 代数学]
- [[http://ja.wikipedia.org/wiki/%E4%BB%A3%E6%95%B0%E7%9A%84%E6%A7%8B%E9%80%A0 代数的構造]]