Question

(-1).(-1)=
0.(-4)=
(-7).0=
(-34).(+12)=
(-15).(+81)=
(+3).(-7).(+2)=
(-4).(-2).(-2)=
(+3).(-2).(-5)=
(-1).(-1).(-1)=

Answer 1

Resposta:

a) 1

b) 0

c) 0

d) -22

e) 66

f) -19

g) - 16

h) 30

i) -1