Răspunsuri

2014-08-11T19:29:38+03:00
Notam cu 2x primul nr
notam cu x+13 al doilea
2x+x+13=49
3x+13=49
3x=36
x=12
12x2=24 primul nr
12+13=25 al doilea nr
2014-08-11T19:30:35+03:00
A+b =49
b=13+a/2
13+a/2 + a = 49 |*2 =>  26 + a +2a = 98 => 3a = 98-26 = 72 |:3 => a=24
b=13+ 24/2 = 13+12=25