URGENT!!!!!!!!!!!!!!!!!!!! DAU CORONA

Răspuns:
a=1286
b=478
c=1091
Explicație pas cu pas:
a+b+c=2855
a+b=1764
b+c=1569
_________________
Rezolvare:
a+b+c=2855
a+b=1764
1764+c=2855
c=2855-1764
c=1091
b+c=1569
b+1091=1569
b=1569-1091
b=478
a+b=1764
a+478=1764
a=1764-478
a=1286
PV:a+b+c=2855
1286+478+1091=2855
a+b=1764
1286+478=1764
b+c=1569
478+1091=1569