Question

Efetue as adições:
a) (– 8) + (– 4) =
b) (– 10) + (– 9) =
c) (+11) + (– 3) =
d) (– 1) + (+2) =

e) (+1) + (– 8) =
f) (– 10) + 0 =
g) (+5) + (– 13) =
h) (– 7) + (– 9) =

i) (+15) + (– 13) =
j) (– 20) + (– 19) =
k) (+18) + (– 15) =
l) (−52) + (−10) =

Answer 1

Resposta:

-12

-19

-14

1

-7

-10

-8

-16

3

39

3

-62

Answer 2

A) -12

B) -19

C) -14

D) 1

E) 3

F) 0

G) -8

H) -16

I) 2

J) -39

K) 3

L) -62