Răspunsuri

2014-04-27T21:36:10+03:00
a+b=508
a-b=2b  a=3b
3b+b=508
4b=508  b=508:4=127
a=3*127=381

2014-04-27T21:38:04+03:00
A+b=508
a-b=2b   
a=3b
3b+b=508
4b=508
b=127
a=3*127=381