Răspunsuri

2014-10-01T10:05:38+03:00
3 mingi+2 masinute=138            sau le  scadem
4 mingi+2 masinute=218
(1+3)migi+2masinute=218
1 minge+138=218
1minge=218-138=80  lei
3x80+2masinute=138
240+2 masinute=138
2masinute=138-240