Question

1o) Calcule:
a)–8+6–1 =
b)–2–4–1 =
c)12–7+3 =
d)4+13–21 =
e) (+8) – (+5) =
f)(–8)+(–5) =
g)(–3)+(+9) =
h)(+2)+(–7) =
i)–13+7–2–8+15–1 =
j)+22–3–14–5+24+12 =
k)(–2)–(–3)+(+5) =
l) ( + 6) + (– 7) – (– 2)=

Answer 1

Resposta:

a)–8+6–1 =

-2-1

-3

b)–2–4–1 =

-7

c)12–7+3 =

5+3

8

d)4+13–21 =

17-21

-4

e) (+8) – (+5) =

8-5

3

f)(–8)+(–5) =

-8-5

-13

g)(–3)+(+9) =

+6

h)(+2)+(–7) =

- 5

i)–13+7–2–8+15–1 =

-6-10+14

-16+14

-2

j)+22–3–14–5+24+12 =

+19-19+36

+ 36

k)(–2)–(–3)+(+5) =

-2+3+5

-2+8

+6

l) ( + 6) + (– 7) -(-2)=

+6-7+2

-1+2

+1

Explicação passo-a-passo:

espero ter ajudado

Answer 2

a)

- 8 + 6 - 1

- 2 - 1

- 3

b)

- 2 - 4 - 1

- 6 - 1

- 7

c)

12 - 7 + 3

5 + 3

8

e)

(+ 8) - ( + 5)

+ 8 - 5

3

f)

( - 8) + ( - 5)

- 8 - 5

- 13

h)

( + 2) + ( - 7)

+ 2 - 7

- 5

i)

- 13 + 7 - 2 - 8 + 15 - 1

-6 -2 + 15 -1

-8 + 15 - 1

7 - 1

6

G)

( - 3) + ( + 9)

-3 + 9

6

J)

+22 - 3 - 14 - 5 + 24 + 12

19 - 14 - 5 + 24 + 12

11 - 5 + 24 + 12

6 + 24 + 12

30 + 12

42

k)

( - 2) - ( - 3) + ( + 5)

- 2 + 3 + 5

1 + 5

6

l)

( + 6) + ( - 7) - ( - 2)

+ 6 - 7 + 2

-1 + 2

1

d)

+ 4 + 13 -21

17 - 21

- 4

Espero ter ajudado :)

Desculpa ta meio bagunçado a sequencia mais todas as respostas estão ai