Question

Resolva
a) (-15) + ( + 7) + ( + 9) =
b) (+4) + (-5)+ (+5) =
c) (-113) +(+153) +(-8) =
d)(-16) +(+78) + (-5)+(-28) =​

Answer 1

a) (-15) + (+16)= 1

b) (+4) + 0= 4

c) (-113) + (+145)= 32

d) (-16) + (+78) + (-33)=

(-16) + (+45)= 29

Answer 2

Resposta:

A)-15+7+9= -15 + 16 = +1

B)+4 -5 +5= +9-5 = +4

C)-113 +153 -8 = +153 -121 =+32

D)-16 +78-5-28= -49+78= +29