Răspunsuri

2014-05-04T08:23:50+03:00
F=nr fetelor
b=nr baietilor
f+b=108
f=108-b 
f-10=2(b+7)
108-b-10=2b+14 
108-10-14=2b+b
84=3b
b=28
f=108-28
f=80
1 5 1