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)


(a) -5


(b) -25



(c) 20



(d) -60


-50 and 50 are additive inverse of each other, i.e. their sum is zero.


(e) -8



(f) -7



(g) 0



(h) 0



60
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