Question

Calcule:

a) (+7) + (-2) = ?.?

b) (-3) + (+4) = ?.?

c) (+4) + (-6) = ?.?

d) (+5) + (-5) = ?.?

e) (+1) + (+4) = ?.?

f) (-2) + (-1) = ?.?

g) 7 + (-1) = ?.?

h) -6 + (-2) = ?.?

i) 3 + (+4) = ?.?

j) 0 + (-2) = ?.?

k) 0 + (+6) = ?.?

l) -1 + (+1) = ?.?

Qual a resposta?

Answer 1

a)+7-2=5
b)-3+4=1
c)+4-6= -2
d)+5-5=0
e)+1+4=5
f)-2-1= -3
g)7-1=6
h)-6-2= -8
i)3+4=7
j)0-2= -2
k)0+6=+6
l)-1+1=0