Odpowiedź:
AUB, A n B, A B, B\ A.
a) A = (1;4), B = (2; 6)
AuB = (1, 6)
AnB = (4, 6)
A\B = (1, 2>
B\A = <4, 6)
c) A = (1:3>, B = <-5;3>
AuB = <-5, 3>
AnB = (1, 3> = A
A\B = Ф - zbiór pusty
B\A = (-5, 1>
b) A = <-4;1>, B = <1:3)
AuB = <-4, 3)
AnB = {1}
A\B = <-4, 1)
B\A = (1, 3)
d) A = (-3; 2>, B = (-1;2>
AuB = (-3, 2>
AnB = (-1, 2>
A\B = (-3, -1>
B\A = Ф - zbiór pusty