Răspunsuri

2014-03-26T15:00:24+02:00
S-suma
d-diferenta

s=304
d=304:8
d=38

a+b=304
a-b=38=>a=38+b

38+b+b=304
2b=304-38
2b=266
b=266:2
b=133

a=38+133
a=171
2014-03-26T15:23:20+02:00