Q. 60

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)

Answer :

(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



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