Răspunsuri

2014-02-19T15:50:41+02:00
A+b=330
a:b=6.36
a=6b+36

(6b+36)+b=330
7b=330-36
7b=294
b=42

a+42=330
a=330-42
a=288

a-b=288-42
a-b=246