Question

a) – 13 + 7 – 2– 8 + 15 – 1=

b) + 22 – 3 – 14 – 5 + 24 + 12 =

c) (– 2) – (– 3) + ( + 5)=

d) ( + 6) + (– 7) – (– 2)

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Answer 1

Resposta:

A= - 2

B= -36

C= 7

D= 1

Explicação passo-a-passo:

Answer 2

Resposta:

a)-13 + 7 - 2 - 8 + 15 - 1 =

-6 - 10 + 14=

- 16 + 14=

-2

b) + 22 – 3 – 14 – 5 + 24 + 12 =

19 - 19 + 36 =

0 + 36 =

36

c) (– 2) – (– 3) + ( + 5)=

- 2 + 3 + 5 =

1 + 5=

6

d) ( + 6) + (– 7) – (– 2)=

6 - 7 + 2=

- 1 + 2=

1