Question

b) (+4) · [(–5) + (+2)] =
d) (–20) : [(–6) – (–2)] =
f) [(–9) + (–3)] : (+6) =

Answer 1

Explicación paso a paso:

b) (+4) · [(–5) + (+2)] =

4 × [-5+2]

4 × [-3]

- 12

d) (–20) : [(–6) – (–2)] =

-20 : [-6+2]

-20 : [-4]

-5

f) [(–9) + (–3)] : (+6) =

[ -9-3] : 6

[-12] : 6

-2