Răspuns :
a=nr fete
b=nr baieti
a+b=26
a=26-b
a-2 = 2(b-3)
26-b-2=2b-6
3b=30
b=30/3
b=10 baieti
a=26-10
a=16 fete
b=nr baieti
a+b=26
a=26-b
a-2 = 2(b-3)
26-b-2=2b-6
3b=30
b=30/3
b=10 baieti
a=26-10
a=16 fete