6 – 4 – 9 + 2 – 7 =

16 – (–3) + (–19) =

1 – (–5) + (–16) =

–(–3) + (–16) + 27 =

–27 + (–3) – (–15) =

–15 – 34 + 39 =

22 + (–7) – 20 =

–4 – (–6) + (–17) =

9 + 3 – 5 – 7 =

11 –(–4) + (–1) =

18 + (–3) – 27 =

6 – (–7) + (–18) =