Răspuns:
t+m+f=2615,4€
m+t=2008,8€
m+f=1500,3€
aflam cati €are fiul:
2615,4-2008,8=606,6€
f=606,6€
aflam ce suma are mama:
1500,3-606,6=893,7€
m=893,7€
afam ce suma are tatal:
2615,4-1500,3=1115,1€
t=1115,1€
v:1115,1+893,7+606,6=2615,4€
am lucrat corect