Răspunsuri

2014-07-20T00:41:58+03:00
B-nr.baietilor
f-nr.fetelor
f+b=26⇒f=26-b
f-2=2( b-3)⇒f-2=2b-6⇒26-2-b=2b-6⇒24-b=2b-6=3b=30⇒b=10⇒f=16
2 5 2