Răspunsuri

2014-10-17T15:37:46+03:00
A+b=600 => a=600-b
a+57=b+35
600-b+57=b+35 => -2b=-625 => b=622:2=311 
a=600-311= 289 

si sus am gresit, nu e 625 ci 622..greseala mea
nu-i nimic
si 622:2= 311
multumesc
cu placere