Question

Quanto é?
a) (+8) _ (+9) + (+4)-(-1) =
B)-(+5)+ (-2)- (-4) + (+1) =
C)+5-4+ (-2)- (-1) =
D) (-3)- (-2) + (-4)-(+1) + (+6) =
E)-6-5-3-2+9-1=

Answer 1

a) +4

b) -2

c) 0

D) 0

E) -10