Răspunsuri

2014-11-05T11:54:35+02:00
A+b+c=5413
b+c=2978
b=a-1353
a+2978=5413
a=2435
b=2435-1353
b=1082
2435+1082+c=5413
c=1896
proba:2435+1082+1896=5413