Question

scrieți toate submulțimile mulțimilor: a) {1,2} b) {2,3,5} c) {a,b,c}

Answer 1

a){1}{2}
b){2}{3}{5}{2,3}{2,5}{3,5}
c){a}{b}{c}{a,b}{a,c}{b,c}

Answer 2

a) {1},{2},multimea vida ,{1,2}
b) {3},{2},{5},{2,3},{2,5},{3,5},multimea vida, {2,3,5}
c) {a},{b},{c},{a,b},{a,c},{b,c},multimea vida, {a,b,c}