Răspunsuri

2014-05-29T13:18:25+03:00
A+B+C=5.077
A=2xB

C=B+77
inlocuim in prima
2B+B+B+77=5077
4B=5077-77
4B=5000
B=5000/4
B=1250
A=2x1250
A=2500
C=1250+77
C=1327
verificare
A+B+C=5077
2500+1250+1327=5077