Question

1) Calcule:
a) (+4) + (-8)=
b) (-7)+(-2) =
c) -(+5)-(-8)=
d) (-2)-(+9)=
e) +(+12)-(-6)=
f) +(-7) + (+5) =
g) (+15)-(+3)=​

Answer 1

Resposta:

A) -4

b) -9

c) 13

d)-11

e)18

f)-2

g)12