Question

subtract the sum of -1250 and 1 138 from the sum of 1136 and minus 1272

Answer 1

sum1=1138-1250=-112
sum2=1136-1272=-136
now sum2-sum1
=-136-(-112)
=-136+112
=-24

Answer 2

[{1136 +(-1272) } - {( -1250) + 1138)}
(- 136) - (-112)
-136 + 112
-12