1.

Solve the following (i) (- 7) + (+ 8) (ii) (- 3) + (5) (iii) (- 3) + (- 2) (iv) (+ 7) + (- 2)

Answer»

(i) (- 7) + (+ 8) = – 7 + 8 = 8 – 7 = 1 

(ii) (-3) + 5 = -3 + 5 = 5- 3 = 2 

(iii) (- 3) + (- 2) = – 3 – 2 = – 5 

(iv) (+ 7) + (- 2) = 7 – 2 = 5



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