Răspuns :
a : b = 3
a - b = 14
a = 3b
3b - b = 14
2b = 14
b = 14 : 2
b = 7
a = 3 x 7 = 21
21 fagi
7 stejari
a - b = 14
a = 3b
3b - b = 14
2b = 14
b = 14 : 2
b = 7
a = 3 x 7 = 21
21 fagi
7 stejari