Question

a)(+21)+(-4)= b)(+38)+(-39)= c)(+21)+(-4)= D)(+56)+(+2)= e)(-111)+(-8)= F)(+85)+(+33)= g)(+20)-(48)= h)(+48)+(30)=

Answer 1

A)(+21)+(-4)= 
21-4
17

B)(+38)+(-39)=
38-39
-1

C)(+21)+(-4)=
21-4
17

D)(+56)+(+2)=
56+2
58

E)(-111)+(-8)=
-111-8
-119

F)(+85)+(+33)=
85+33
118

G)(+20)-(48)=
20-48
-28

H)(+48)+(30)=
48-30
78