Question

ajudem e diagrama socorro

Answer 1

b) B = 2,3,5,6e7

c) C = 2,4,5,8e9

d) (AnB) u (BnC)
3 u 5
=> 3,5

e) (AnC) u B
4 u 2,3,5,6e7
=> 2,3,4,5,6e7