Răspuns :
b=1125+631=1756(b)
1125+1756=2881(a+b)
c=3990-2881=1109
Sper ca te-am ajutat !!! :))
b=1125+631=1756
c=3990-(a+b)=3990-(1125+1756)=3990-2881=1109
Raspuns:c=1109
c=3990-(a+b)=3990-(1125+1756)=3990-2881=1109
Raspuns:c=1109