Integers

Compute each of the following:
(a) 30 + (–25) + (–10) (b) (–20) + (–5)
(c) 70 + (–20) + (–30) (d) –50 + (–60) + 50
(e) 1 + (–2) + (– 3) + (– 4) (f) 0 + (– 5) + (– 2)
(g) 0 – (–6) – (+6) (h) 0 – 2 – (–2)