Question

A=2,4,6,8SI B=1,5,7,9 A/B si B/A

Answer 1

B/A =ce are b si nu are a A/B =cu ce are a si nu are b

Answer 2

A/B ce se include in A si ce nu se include in B
B/A ce se include in B si ce nu se include in A
A/B=2 4 6 8 
B/A 1 5 7 9