Răspunsuri

2014-03-31T17:12:23+03:00
A+b+c= 3560
a=60/100 x b
c= 30/100 x a => c= 30/100 x(60/100xb)


60/100xb+ b+ 30/100 x(60/100xb)
si rezulvi si aflii numerele.
2 5 2