x^2=x

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Laurian Filip
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x^2=x

Post by Laurian Filip »

Aflati numarul claselor de resturi \( x\in\mathbb Z _{\mbox{2010}} \) care verifica egalitatea \( x^2=x \).
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mchis68
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Post by mchis68 »

Indicatie: Foloseste descompunerea in factori primi si lema chinezeasca a resturilor
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