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a fost răspuns

Calculati {2,0,1,3} - N*

Răspuns :

N*=numere nenule
{2,0,1,3}-N*={0},iar N*-{2,0,1,3}={4,5,6,7,....,n}
{2; 0; 1; 3} - N* = {2; 0; 1; 3} - {1; 2; 3; 4;...} = {0}