Question

Scrieti toate submultimile urmatoarelor multimi
a) A={-1;1}
b)B={0;1;2}
c)C={a;b;c}
Urgenttttt

Answer 1

a) {-1}  ; {1} ; {-1;1} ;Ф 
b) {0}; {1}; {2}; {0,1}; {0;2} {1,2} {0,1,2} ;Ф
c) {a} ; { b} ; {c}; {a,b} ; {a,c} ; {b,c } ;{a,b,c} ;Ф