Renato Santos de Souza
18/05/2017 • 22:57
n(aub) = n(a) + n(b) - n(a^b)
40 -4 = 24 + 26 - x
36 = 50 - x
x = 14
40 -4 = 24 + 26 - x
36 = 50 - x
x = 14