1.Sa se scrie multimea resturilor posibile ale  impartirii unui numar natural la 8.

2. Cate submultimi are multimea A= (1,3,5)? Care sunt?



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
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