Question

Fie multimile A={7,9}, B={1,2,3,4,5}, C={1,3,5,6,7}, D={1,2,3,4,5}, G={7,8,9}.
Q=Ain reuniune(Bin intersectieC).

Answer 1

A in reuniune cu B in intersectie cu C.......Q={1,3,5,9}