Răspunsuri

2014-08-11T19:27:15+03:00
A/10 = 1,5/b = (2+1/2)/40 =>
a/10 =3/2 * 1/40 = 3/80 => a= 3/8
(15/10)/b=3/80=> b=3/2*80/3 =40