Question

afla elementele multimii B-A stiind ca multimea A si B satisfac simultan conditiile:
a) A∪B={1,2,3,4,5,6,7,8}
b)A∩B={1,3,7}
c)A-B={2,4,5,8}.

Answer 1

A={1,2,3,4,5, 7, 8}
B={ 1,3,6,7}

Answer 2

A={1,3,7,2,4,5,8}
B={1,3,7,6}
B-A={6}