| r1 ➤ r2 | |
| 1 | [Include(틀:가져옴,O=오메가, C=[[https://creativecommons.org/licenses/by-nc-sa/3.0/deed.ko|CC BY-NC-SA 3.0]], L=[[https://web.archive.org/web/20160315215323/http://mathwiki.net/%EA%B5%B0|링크]])[분류:가져온 문서/오메가]] |
| 16 | * 교대군 [math(A_n)] |
| 17 | |
| 18 | == 영상 == |
| 19 | [youtube(GgIk962jGFY)] |
| 20 | |
| 21 | [Include(틀:가져옴,O=오메가, C=[[https://creativecommons.org/licenses/by-nc-sa/3.0/deed.ko|CC BY-NC-SA 3.0]], L=[[https://web.archive.org/web/20160315215323/http://mathwiki.net/%EA%B5%B0|링크]])] |
