Question

Efetue:
a) (-34) : (+2) =
b) (-54) : (-9) =
c) (+1020) : (-12) =
d) (+294) : (+14) =
e) 37 + [(-5 . 5) – (-11 + 19 – 4)] =
f)60 ÷ {2 · [-7 + 18 ÷ (-3 + 12)]} – [7 · (-3) – 18 ÷ (-2) + 1] =

Answer 1

Resposta:

a) (-34) : (+2) =

-17

b) (-54) : (-9) =

+ 6

c) (+1020) : (-12) =

-85

d) (+294) : (+14) =

21

e) 37 + [(-5 . 5) – (-11 + 19 – 4)] =

37 + [-25 – (4)] =

37 + [-25 – 4] =

37 + [-29] =

37 - 29 =  

8

f)60 ÷ {2 · [-7 + 18 ÷ (-3 + 12)]} – [7 · (-3) – 18 ÷ (-2) + 1] =

60 ÷ {2 · [-7 + 18 ÷ (9)]} – [-21  + 9 + 1]

60 ÷ {2 · [-7 +2 )]} – [-21  + 9 + 1]

60 ÷ {2 · [-5]} – [-11]

60 ÷ {2 · -5} – [-11]

60 ÷ {-10} – [-11]

-6 + 11

5

Explicação passo-a-passo: