Question

efetue a) (+6)+(-4)+(+1)?
b) (+8)+(-6)+(-1)?
c) (-3)+(+7)+(+4)?
d) (-10)+(-8)+(-20)?
e) (-1)+(-1)+(-1)+(+9)?
f)(+2)+(-7)+(+3)+(-5)?​

Answer 1

a)3

b)1

c)8

d)-38

e)6

f)-7