Question

7+3/2+1/5+2/10+1/10


Me ajuda

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

Explicação passo a passo: