Răspunsuri

2014-03-30T15:39:10+03:00
Notam multimea cu A
A={-2, -1, 0, 1, 2}
Numarul elementelor este 5
2 4 2
2014-03-30T15:39:40+03:00
{-2,-1,0,1,2}-5 elemente