Difference between revisions of "Серьодньой первик"
		
		
		
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| *>Yaroslav Zolotaryov | *>Coipition'Tong No edit summary | ||
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| Приклады: 0+k=k+0=k; 1×k=k×1=k. | Приклады: 0+k=k+0=k; 1×k=k×1=k. | ||
| [[Category:Siberian]] | [[Category:Siberian]][[Category:Алгебра]] | ||