Question

ATIVIDADE 8 - Calcule:
a) (+9) - (+4) =
b) (+6) + (+5) =
c) (-3) + (-2) =
d) -5 + (-1) =
e) -7 - (-5) =
1) (+6) - (-1) =
g) -1 - 6 =
h) -9 + 4 =​

Answer 1

Resposta:

a)+9-4=5

b)+11

c)-3-2=-5

D)-5-1=-6

e)-7+5=-2

f)+6+1=+7

g)-7

h)-5