Question

1.Cate submultimi are multimea M={0,1,5,8}? .Scrieti toate submultimile lui M care au cate 3 elemente.
2.Determinati multimile A si B stiind ca sunt indeplinite simultan conditiile:
a)AUB={6,0,8,1,5,3,4,10}
b)A∩B={4,0,5}
c)A-B={10,6}

Answer 1

1) M are 4 elemente deci are 2^4 submultimi
A de 4 luate cate 3
2) A={0,4,5,6,10}
B={0,1,3,4,5,8}