Question

A) +20 ) + (-18)=


B) (+21) +(-30)=


C)-81)+(-17)=


D) (+31+ ( + 62)=

Answer 1

A) (+20) + (-18) =

+20 - 18 =

2

B) (+21) + (-30) =

+21 - 30 =

-9

C) (-81) + (-17) =

-81 - 17 =

-98

D) (+31) + (+62) =

+31 + 62 =

+93