Răspuns :
R8={0.1.2.3.4.5.6.7.8.9}
{1,3}, {1,5}, {3,5}, {1}, {2}, {3}, {1,2,3} si multimea vida
{1,3}, {1,5}, {3,5}, {1}, {2}, {3}, {1,2,3} si multimea vida
R8={0.1.2.3.4.5.6.7.8.9}
{1,3}, {1,5}, {3,5}, {1}, {2}, {3}, {1,2,3} si multimea vida