Question

"Se dau multimile A={1,2,3,4,5} si B={3,4,5,6,7,8}.Aflati multimile a) C={a supra b supraunitara | a E A,b E B} b) D={ a supra b subunitara | a E B}."
Va rog frumos e urgent.Repede.Urgent

Answer 1

C={4/3, 5/3,5/4}
D={1/3,1/4,1/5,1/6,1/7,1/8,2/3,2/4,2/5,2/6,2/7,2/8,3/4,3/5,3/6,3/7,3/8,4/5,4/6,4/7,4/8,5/6,8/7,5/8}