Question

67 + (−78) =
173 + (−29) =
−112 + 67 =
−97 + (−49) =

Answer 1

Answer:

Answers=(i)-11 ,(ii)=144 ,(iii)=45 ,(IV)=146.

Answer 2

Step-by-step explanation:

67 + (−78) = -11

173 + (−29) = 144

−112 + 67 = -45

−97 + (−49) = -146