Question

1 - Calcule.
a) (+5) + (+3) =
b) (-7) + (-10) =
c) O + (-8) =
d) (+5) + (-20) =
e) (-40) + (+113) =
f) (-8) + (-17) =​

Answer 1

Resposta:

a) 8

b) -17

c) -8

d) -15

e) 73

f) 25

Answer 2

Resposta:

a) 8

b) -17

c) -8

d) -15

e) -73

f) -25