Category:Algebra
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Algebra (from the Arabic "al-djebr" meaning "reunion", "connection" or "completion") is a branch of mathematics which may be defined as a generalization and extension of arithmetic. In algebra you can use different letters such as x or y. These are called variables.bg:Категория:Алгебра cs:Kategorie:Algebra da:Kategori:Algebra de:Kategorie:Algebra es:Categora:lgebra et:Category:Algebra fr:Catgorie:Algbre he:Category:אלגברה io:Category:Algebro it:Categoria:Algebra ja:Category:代数学 ko:분류:대수학 nl:Categorie:Algebra pl:Kategoria:Algebra pt:Categoria:lgebra ru:Category:Алгебра sv:Kategori:Algebra vi:Category:Đại số trừu tượng zh:Category:代数