Question

Resuelve los siguientes ejercicios. (1 punto c/u) a. 2 + (–1) = b. (–3) + (–5) = c. 2 – 5 = d. 8 – (–3) = e. (–4) + 5 – (–7) = f. [–32 + 43 – (–18)] + [43 – (–15)] =

Answer 1

2 + (–1)

2 - 1

1

(–3) + (–5)

- 3 - 5

- 8

2 – 5

 - 3

8 – (–3)

8  + 3

 11

(–4) + 5 – (–7)  

- 4 + 5 + 7

-4  + 12

+ 8

[–32 + 43 – (–18)] + [43 – (–15)]

[–32 + 43 + 18) ] + [ 43 +15 ]

[–32 + 61) ] + [ 58 ]

[ + 29) ] + [ 58 ]

29 + 58

87

Eternamente axllxa