Răspunsuri

2014-06-17T15:32:24+03:00
X∈{5,6,7,8,9,10,11,12,13,.......,a......}, a∈N
y∈{3.6.9.12.15.18.21.........}
A={5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24}
B=3,6,9,12,15,18,21,24}
AUB={5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24} 20 elemente
1 5 1