Page 1 of 1

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