Odpowiedzi

2009-04-28T23:26:57+02:00
A suma B= {6,7,8,9,10,11,12}
A/B={6,7,11,12}
B/A=zbiór pusty
A' suma B= {1,2,3,4,5,8,9,10,13,...,20}
B' suma A={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}