1.Fie multimile A={-2;-1;3} si B={0;2}.

Determinati AxB,BxA,AxA,BxB.


2.Se considera multimile:
C={-3;1} si D={x∈Z*||x|≤2}.
Scrieti produsele carteziene CxD si DxC

3.Daca AxB={(-4,0),(-4,2),(-4,4),
(-4,6),(-2,0),(-2,2),(-2,4),(-2,6)}
determinati multimile A si B

URGENT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!