Question

Efetue :

a) (+37) + 0 =

b) 0 + (+37) =

c) 0 + (-15) =

d) (-15) + 0 =

Answer 1

a) 37
b) 37
c) -15
d) -15 

Answer 2

a) (+37) + 0 = 37+0 = 37
b) 0 + (+37) = 0+37 = 37
c) 0 + (-15) = 0-15 = -15
d) (-15)+0 = -15+0 = -15

Espero ter ajudado!