A ) ( - 14 ) + 5 +17 +14
= ( - 14 + 14 ) + 5 + 17
= 0 + 22
= 22
B) ( -5 ) + ( -146 ) + ( -15 ) + 146
= - 146 + 146 + ( -5 ) + ( - 15 )
= ( - 146 + 146 ) + ( - 5 ) + ( - 15 )
= 0 + ( -20)
= - 20
C) 40 + 13 + ( - 25 ) + (-13)
= 13 + 40 + -25 + - 13
= ( 13 + - 13 ) + 40 + ( - 25 )
= 0 + 15
= 15
D ) 10 + 11 + ( - 25 ) + (- 11 )
= 11 + 10 + - 25 + - 11
= [ 11 + ( -11)] + 10 + ( - 25 )
= 0 + ( - 15)
= - 15
E ) ( -2 ) + (-3) + 10 + ( -5 )
= [ ( -2 ) + ( -3 ) + [ 10 + ( -5 ) ]
= ( -5) + 5
= 0
F) (123 – 37 ) – 123
= 123 - 37 - 123
=( 123 - 123 ) - 37
= 0 - 37
= - 37
G ) ( - 224 ) – ( 34 – 224 )
= - 224 - 34 + 224
= ( - 224 + 224 ) - 34
= 0 -34
= - 34
H ) 126 – ( 126 – 33 )
= 126 - 126 + 33
= ( 126 - 126 ) + 33
= 0 + 33
= 33
K ) (- 53 – 23 ) – ( 567 – 53 )
= - 53 - 23 - 567 + 53
= ( - 53 + 53 ) - 568 - 23
= 0 - 590
= - 590
