Răspunsuri

2014-05-01T15:31:03+03:00
X*120/100=y
y*80/100=307.2
y=307.2*100/80=384
x*120/100=384
x=384*100/120
x=320
2 3 2
2014-05-01T17:10:10+03:00
X*120/100=y
y*80/100=307.2
y=307.2*100/80=384
x*120/100=384
x=384*100/120
Deci x=320