Question

Determinați numarul submultimilor cu 3 elemente ale unei multimi care are 4 elemente. {0,1,2,3,4}

Answer 1

Răspuns:

{0,1,2,} {1,2,3,} {1,3,4,} {1,2,3} {1,0,2} {1,0,3} {1,0,4} {2,3,4} {2,0,1} {2,0,3} {2,0,4}

{3,0,1} {3,0,2} {3,0,3} {3,0,4} {4,0,1} {4,0,2} {4,0,3}  sunt 18 submultimi