Question

(+15) – (–7) + (–10) + (+13) =
(+10) + (–16) – (–3) – (+20) =
(–3) + (–2) + (+18) – (13) =
(–5) – (+12) + (–3) + (–10) =
(+7) – (–18) – (+10) + (–15) =

Answer 1

(+15) – (–7) + (–10) + (+13) =20

(+10) + (–16) – (–3) – (+20) =-23

(–3) + (–2) + (+18) – (13) =0

(–5) – (+12) + (–3) + (–10) =-30

(+7) – (–18) – (+10) + (–15) =0

lo hice sin el procedimiento para q fuese de forma rapida

Espero te sirva de ayuda