Question

Calcule x - y:
a) x = + 9 e y = + 7
b) x = - 35 e y = - 13
c) x = + 900 e y = - 460
d) x = - 120 e y = + 600
e) x = + 190 e y = - 800

Answer 1

Resposta:

a) 2

b) -22

c) 1360

d) -720

e) 990