Răspuns:
Explicație pas cu pas:
A={1,2,3,4}
B={4,5,6,7,8}
C={0,1,2,4,5,6,9}
a)A∪B={1,2,3,4,5,6,7,8}
b)A∪C={0,1,2,3,4,5,6,9}
c)B∪C={1.2.4,5,6,7,8,9]
d)A∩B={4}
e)A∩C={1,2,4}
f)B∩C={4,5,6}
g)A\B={1,2,3}
h)A\C={3}
i)B\C={7}
j)B\A={5,6,7,8}
k)C\A={0,5,6,9}
