Question

48- Opera como en el ejercicio resuelto anterior. a) 19 – (–3) · [5 – (+8)] = b) 12 + (–5) · [8 + (–9)] = c) 12 – [13 – (–7)] : (–5) = d) 10 – (+20) : [7 + (–3)] = e) (–2) · (5 – 7) – (–3) · (8 – 6) = f) (9 – 6) · (–2) + (13 + 3) : (–4) =

Answer 1

19 – (–3) · [5 – (+8)]

19 – (–3) · [5 –8]

19 – (–3) · [-3]

19 - (+9)

19 - 9

10

12 + (–5) · [8 + (–9)]

12 + (–5) · [8 –9]

12 + (–5) · [-1]

12 + 5

17

12 – [13 – (–7)] : (–5)

12 – [13 +7] : (–5)

12 – [20] : (–5)

12 -(-4)

12+4

16

Eternamente axllxa

Answer 2

Respuesta:

a)=10 b)=17 c)=16 d)=5 e)=10 f)= -10

espero q te sirva :)