Răspunsuri

2014-01-23T20:50:18+02:00
A-b=212
a:b=8 rest 2
a=8b+2
8b+2-b=212
7b+2=212
7b=210
b=30
a=8*30+2=242
Verificare:
242-30=212
242/30=8 rest 2