Question

215+(-38)-(-58)+90-85

31-[26-(2017+35)]

Answer 1

240

2057

Answer 2

215 + ( - 38 ) - ( - 58 ) + 90 - 85

= ( 215 - 85 ) + ( - 38 + 58 ) + 90

= 130 + 20 + 90

= 240

31 - [ 26 - ( 2017 + 35 ) ]

= 31 - [ 26 - 2052 ]

= 31 + 2026

= 2057