Răspuns :
x-5=y
y+4=z
z:2=60
z=60x2
z=120
y+4=120
y =120-4
y=116
x-5=116
x=116+5
x=121
Sper ca e bine.
y+4=z
z:2=60
z=60x2
z=120
y+4=120
y =120-4
y=116
x-5=116
x=116+5
x=121
Sper ca e bine.