Răspunsuri

2014-11-16T22:40:34+02:00
A+b+c=49
b=2+2a=a+5
2+2a=a+5 de aici 2a-a=5-2 => a=3
b=2+2a=2+2*3=2+6=8
a+b+c=49 => 3+8+c=49 => c=49-8-3=38
1 5 1