👤
a fost răspuns

Fie multimile: A=(1,2,3,4,5,6) B=(4,5,6,7) C=(1,5,7,8,9) Efectuati:
a)A∪B
b)A∩B
c)A\B
d)B\A
e)B\C
f)C∩A
g)A∪C
h)A∩C
i)AB∩C