Question

efetue essas multiplicaçoes
(+2).(+7).(+10)=
(-4).0.(+3).(-8)
(+5).(-3).(+2).(+1).(+2)
(-1).(+2).(-2).(+5.(-3)
(-2).(-5).(-1).(-3)
(-10).(-2).(-2).(-10).(-2)
​

Answer 1

Resposta e Explicaçao Passo-a-Passo:

(+2).(+7).(+10)=

+14.(+10)

+140

(-4).0.(+3).(-8)

-0.(+3).(-8)

-0.(-8)

+0

(+5).(-3).(+2).(+1).(+2)

-15.(+2).(+1).(+2)

-30.(+1).(+2)

-30.(+2)

-60

(-1).(+2).(-2).(+5.(-3)

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

+4.(+5).(-3)

+20.(-3)

-60

(-2).(-5).(-1).(-3)

+10.(-1).(-3)

-10.(-3)

-30

(-10).(-2).(-2).(-10).(-2)

+20.(-2).(-10).(-2)

-40.(-10).(-2)

-400.(-2)

+800