Question

Calcule as adiçoes:
A) ( +2) +(+6)
b) (-5)+(-4)
c) (-5)+(+3)
d) (-7)+(+2)
e) (-1)+(-3)
f) (-5)+(+5)
g) (-5) +(-5)
h) (-7) +(+5)

Answer 1

A) ( +2) +(+6) = 2 + 6 = 8

b) (-5)+(-4) = -5 -4 = -9

c) (-5)+(+3) = -5 +3 = -2

d) (-7)+(+2) = -7 +2 = -5

e) (-1)+(-3) = -1 -3 = -4

f) (-5)+(+5) = -5 +5 = 0

g) (-5) +(-5) = -5 -5 = -10

h) (-7) +(+5) = -7 +5 = -2