Efectuati exercitiul:
![Efectuati Exercitiul class=](https://ro-static.z-dn.net/files/dfe/7b4fb4c5ee92fe58443415486e35632f.jpg)
Explicație pas cu pas:
= (3^5 + 2^2 + 3^20 : 3^20) : 31
= (3^5 + 2^2 + 1) : 31
= (243 + 4 + 1) : 31
= 248 : 31 = 8