Question

Cum rezolv :
a) A U B = {2,3,4,5,6,7,8}
b) A∩B ={4}
c) A\B = {3,6,7}
d) B\A= { 2,5,8}
A=? B=?

Answer 1

A={3, 4, 6, 7}
B={2, 4, 5, 8}