Question

Ayudenme porfavor resolviendo estas operaciones combinadas (paso a paso) ya que desde enantes estoy pidiendo ayuda y nadie ayuda.
–5· (–12+4) =
–4· (–2–3) – 1=
–1· (–2) +( –2) · (–3) · (–1) =
4 – 20:(–5) =
25:(–5) – 1=
–3· (–2) · (–1) – 6:3 =
–10 – (–2) · (–1) · (–3) =
–3· (–4 +(–2)) =

Answer 1

Respuesta:

–5· (–12+4) =

-5(-8)

=40

–4· (–2–3) – 1=

-4.(-5)-1

20-1

=19

–1· (–2) +( –2) · (–3) · (–1) =

2+(-6)

=-4

4 – 20:(–5) =

4+4

=8

25:(–5) – 1=

-5-1

=-6

–3· (–2) · (–1) – 6:3 =

-6-2

-8

–10 – (–2) · (–1) · (–3) =

-10+6

=-4

–3· (–4 +(–2)) =

-3.(-6)

=18