Răspunsuri

2014-11-06T16:13:21+02:00
2014-11-06T16:17:42+02:00
Ininte de a o rezolva am o intrebare 
x=6?....

Da
4(2x6+1)-(11-2x3)6=22
2x6+1=13
11-2*3=5
4*13-5*6=52-30=22