Răspuns :
x+y+z=1508
x+y=931=>z=1508-931
z=577,
y+z=600
=>y=600-577=33
y=33
x=931-y, x=931-33
x=898
x+y+z= 1508 , x+y=931 si y+z=600
⇵ ↓
931 + z = 1508 y = 600 - 577 = 23
z = 1508-931 = 577 x = 931 -23 = 908
x+y+z=1508
x+y=931=>z=1508-931
z=577,
y+z=600
=>y=600-577=33
y=33
x=931-y, x=931-33
x=898
x+y+z= 1508 , x+y=931 si y+z=600
⇵ ↓
931 + z = 1508 y = 600 - 577 = 23
z = 1508-931 = 577 x = 931 -23 = 908