Question

Se dau multimile A={1,3,5,7,9} si B={2,4,6,8}.Aflati multimile:
C={a pe b supraunitara bara a ∈ A, b ∈ B} si D={a pe b subunitara bara a ∈ A,b ∈ B}.

Answer 1

C={3/2,5/2,5/4,7/2,7/4,7/6,9/2,9/4,9/6,9/8}
D={1/2,1/4,1/6,1/8,3/4,3/6,3/8,5/6,5/8,7/8}