Question

ME AJUDEM PFVR

4°) Calcule:
a) + 3+ 5+ 2 + 1
b) – 9 – 2 – 10
c) + 20 – 21
d) + 40 – 11
e) + 100 – 100
f) + 5 + ( 7 – 3)
g) – 6 – (– 3 + 2)
h) 6 – 8 – 3 – 7 + 2 + 10 – 6
i) 3 – { – 6 – [10 – 2 + (– 7 + 10)]}​

Answer 1

Resposta:

Resposta abaixo...

Explicação passo a passo:

a) + 3+ 5+ 2 + 1

11

b) – 9 – 2 – 10

-21

c) + 20 – 21

-1

d) + 40 – 11

29

e) + 100 – 100

0

f) + 5 + ( 7 – 3)

5 + 4

9

g) – 6 – (– 3 + 2)

- 6 +1 =

-5

h) 6 – 8 – 3 – 7 + 2 + 10 – 6

-18

i) 3 – { – 6 – [10 – 2 + (– 7 + 10)]}​

3 - { - 6 - [10 - 2 + 3]}

3 - { - 6 - 11}

3 - { -17}

3 + 17

20