Question

4) Resolva as multiplicações e divisões observando as regras
a)(-2).(-5) =
b)(+4).(-2) =
c)(+6):(+6)=
d) (-50 ):( +10 ) =
e) (-3) + (+8)=
f) (+4).(-7) .(-5).(-3) =
g) (-3).(-6) =
h) (+40) : (-2) =​

Answer 1

Resposta:

a)-10

b)-8

c)+1

d)-5

e)+5

f)-420

g)+18

h)-20