Question

a) - 37 + 14 + 26 + 37

b) - 24 + 6 + 10 + 24

c) 15 + 23 + ( -25 ) + ( - 23 )

 

Answer 1

a) - 37 + 14 + 26 + 37

= ( -37+37) +14+26

= 0 + 40

= 40

Answer 2

b) - 24 + 6 + 10 + 24

= ( -24+24) +6+10

= 0 +16

= 16

Answer 3

c) 15 + 23 + ( -25 ) + ( - 23 )

= ( -25+15) + (-23+23)

= -10 +0

= -10

Answer 4

Trl:

a) -37 + 14 + 26 + 37

= (-37 + 37 ) + ( 14 + 26 )

= 0 + 40

= 40

b) -24 + 6 + 10 + 24

= ( -24 + 24) + ( 10 + 6)

= 0 + 16

= 16

c) 15 + 23 + (-25) + (-23 )

= (-25 + 15) + (-23 + 23 )

= -10 + 0

= -10