Question

am nevoie urgent  rezolvarea 
determinati multimile A si B, stiind ca indeplinesc simultan conditiile:
a) A reunit cu B={1,2,3,4,5,6,7}
b)A intersectat cu B={2,6,7}
c)A fara B={1,4}

Answer 1

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

Answer 2

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