Răspunsuri

2014-11-01T13:29:57+02:00
2014-11-01T13:33:10+02:00
A= 4*b+5 A + b=45 4*b + 5+b =45 5b+5=45 5b=45-5 5b=40 b=40:5 b=8 a=4b+5 a=4*8+5 a=32+5 a=37
:4b+5+b=45 5b+5=45 5b=40 b=8 a=45-8 a=37
Este acelasi lucru