Răspunsuri

2014-11-18T16:40:53+02:00
A-b=38, a:b=6 si 3 rest, a=6b+3
6b+3-b=38
6b-b=38-3, 5b=35, b=35:5, b=7
a=38+7, a=45
45-7=38, 45:7=6 si 3 rest