URGENT!! dau coroana
![URGENT Dau Coroana class=](https://ro-static.z-dn.net/files/d5a/1cc52ea9cd92faa6df8676b824803042.jpg)
Răspuns:
A= { -4, -7, 2, 0, 5}
B = { 3, 2, 0, 5}
C= { -4, -7,1/4, 3,(3)}
Deoarece N = nr naturale (0, 1, 2...)
Z = nr intregi (..., -4, -3, -2, -1, 0 , 1, 2, 3...)