Răspunsuri

2014-05-10T17:37:58+03:00
A:3=c(2)⇒a=3c+2
a:5=d(2)⇒a=5d+2
3c+2=5d+2
3c=5d
c=5
d=3
a=3*5+2=15+2=17
a=17