Question

calcule o valor numerico de x+y/1+xy para x=1/2 e y=1/4

Answer 1

 x + (y / 1) + xy = 
(1 / 2) + ((1 / 4) / 1) + (1 / 2) . (1 / 4) = 
(1 / 2) + (1 / 4) + (1 / 8) = 
(4 / 8) + (2 / 8) + (1 / 8) = 
(7 / 8)