Question

A)(+12)+(+21)=
B)(+23)+(+21)=
C)(-12)+(-11)=
D)(-23)+(-4)=
E)(-21)+(-12)=
F)(+21)+(-23)=​

Answer 1

Resposta:

a) +33

b) +44

c) -23

d) -27

e) -33

f) -2