Question

resolva as adições a seguir: a) (-4) + (-5) b) (+3)+(+5) c)(-2)+(+7) d) (+1)+(-8) E) (-5) + (-4)

Answer 1

-4 -5 = -9
3+5 = 8
-2 +7 = 5
1-8 = -7
-5 -4 = -9

Answer 2

a)-9
b)+8
c)+5
d)-7
e)-9