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x^2=x
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x^2=x
Posted:
Sat Apr 24, 2010 9:48 pm
by
Laurian Filip
Aflati numarul claselor de resturi
\( x\in\mathbb Z _{\mbox{2010}} \)
care verifica egalitatea
\( x^2=x \)
.
Posted:
Fri Apr 30, 2010 9:56 pm
by
mchis68
Indicatie: Foloseste descompunerea in factori primi si lema chinezeasca a resturilor