A+B+C+D=539
A=B
C=B+35
D=C+25
2B+C+D=539
C=B+35
D=C+25
3B+35+D=539
C=B+35
D=C+25
D=B+35+25
4B+35+35+25=539
4B+70+25=539
4B+95=539
4B=539-95
4B=444
B=444:4= 111
A=B
A=111
B=111
C=B+35
D=C+25
C=111+35=146
D=146+25=171
Raspuns-
A=112
B=112
C=146
D=171
(Revizuiesc mai tarziu acum tr sa plec)