There Are Today More Than 390 Known Pairs of Friendly Numbers 歌词
| 歌曲 | There Are Today More Than 390 Known Pairs of Friendly Numbers |
| 歌手 | John Butcher |
| 专辑 | Thirteen Friendly Numbers |
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| 歌曲 | There Are Today More Than 390 Known Pairs of Friendly Numbers |
| 歌手 | John Butcher |
| 专辑 | Thirteen Friendly Numbers |