Răspuns :
(a+b)/2 = 24 a+b = 48
a = 4x b = 4y
4x + 4y = 48 x + y = 12
x = 1 a = 4 y = 11 b = 44 (4, 44)
x = 2 a = 8 y = 10 b = 40 (8, 40)
x = 3 a = 12 y = 9 b = 36 (12, 36)
x = 4 a = 16 y = 8 b = 32 (16, 32)
x = 5 a = 20 y = 7 b = 28 (20, 28)
x = 6 a = 24 y = 6 b = 24 (24, 24)
a = 4x b = 4y
4x + 4y = 48 x + y = 12
x = 1 a = 4 y = 11 b = 44 (4, 44)
x = 2 a = 8 y = 10 b = 40 (8, 40)
x = 3 a = 12 y = 9 b = 36 (12, 36)
x = 4 a = 16 y = 8 b = 32 (16, 32)
x = 5 a = 20 y = 7 b = 28 (20, 28)
x = 6 a = 24 y = 6 b = 24 (24, 24)