(x*3)-5=y
(y*2)-4=z
z-((z:4)+3)=99
--------------------
x=?
z-((z:4)+3)=99
((99+3):3)*4=z
z=(102:3)*4
z=34*4
z=136
y=(136+4):2
y=140:2
y=70
x=(70+5):3
x=75:3
x=25
(25*3)-5=70
(70*2)-4=136
136-((136:4)+3)=
=136-((34+3)
=136-37=99 lei i-au ramas la final lui Stefania
Stefania a avut la inceput 25 lei