Question

( ) +7
(a) (+4).(-5)
( ) +6
(b) (-5).(+12)
( ) -60
(c) (-1).(-7)
(d) (+6). (+1)
( ) -20
(e) (+49): (-7)
( ) +10
(1) (-81): (-1)
( ) -9
(g) (-27): (+3)
( ) +81
(h) (-100): (-10)
( ) -7​

Answer 1

Explicação passo-a-passo:

a)-20

b)-60

c)+7

d)+6

e)-7

f)+81

g)-9

h)+10