Please help to quickly....

Solution:

(i) Sum is -4: The required pair of integers are
  •  (-6 and 2) = -6 + 2 = -4
  •  (-1 and -3) = -1 + (-3) = -4

(ii) Difference is -2: The required pair of integers are 
  •  (3 and 5) = 3 - 5  = -2
  •  (11 and 13) = 11 - 13 = -2

(iii) Sum is -5 : The required pair of integers are
  •  (-17 and 12) = -17 + 12 = -5
  •  (5 and -10) = 5 + (-10) = -5

(iv) Sum is 0: The required pair of integers are
  •  (5 and -5) = 5 + (-5) = 0
  •  (1 and -1) = 1 + (-1) = 0

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