Question

a) (-7).(-8).(+3)

b) (-4).(+2).(-11)

c) (+7).(-2).(+3).(-1)

D) (+4).(-7).(+9).(-11)

E) (+8).(-6).(-5).(+3).(+2)

f) (-5).(-6).(-3).(-2).(-1)​

Answer 1

Resposta:

a) (-7).(-8).(+3)=

(56).(+3)=

168

b) (-4).(+2).(-11)=

(-8).(-11)=

88

c) (+7).(-2).(+3).(-1)=

(-14).(+3).(-1)=

(-42).(-1)=

42

D) (+4).(-7).(+9).(-11)=

(-28).(+9).(-11)=

(-252).(-11)=

2.772

E) (+8).(-6).(-5).(+3).(+2)=

(-48).(-5).(+3).(+2)=

(240).(+3).(+2)=

(720).(+2)=

1.440

f) (-5).(-6).(-3).(-2).(-1)=

(30).(-3).(-2).(-1)=

(-90).(-2).(-1)=

(180).(-1)=

-180