Răspuns :
(a+b) :2=149 =>a+b=149x2=>a+b=298
a:b=7 rest 2=>a=7b+2
Inlocuim in a+b=298
7b+2+b=298=>8b+2=298=>8b=296=>b=296:8=>b=37
a=7b+2=>a=37x7+2=>a=259+2=>a=261
a:b=7 rest 2=>a=7b+2
Inlocuim in a+b=298
7b+2+b=298=>8b+2=298=>8b=296=>b=296:8=>b=37
a=7b+2=>a=37x7+2=>a=259+2=>a=261