Question

A) (-4).(-5).(+2)=
B)(-10).(+2).(+3)=
C)(+10).(+9)=
D)(-4).(+12)=
E)(-3).(+2).(-1).(+4).(+10)=
F)(+10).(-2).(-1).(+4).(-10)=
Preciso da resposta e do cálculo preciso pra hoje​

Answer 1

a)+20×(+2)

+40

b)-20×(+3)

-60

c)+90

d)-48

e)-6×(-4)×(+10)

+24×(+10)

+240

f)+20×(-1)×(+4)×(-10)

-20×(+4)×(-10)

-80×(-10)

+800