Question

resolva as seguintes expressoes:

a) ( + 10 ) . ( - 12 ) . ( + 1 ) . ( - 3 ) . ( + 2 ) =
b) ( - 3 ) . ( - 2 ) . ( - 10 ) . ( + 4 ) =
c) ( - 2 ) . ( - 2 ) . 0 . ( - 2 ) . ( - 2 ) =
d) ( + 1 ) . ( + 3 ) . ( - 3 ) . ( - 3 ) =
e) ( - 1 ) . ( - 12 ) . ( + 57 ) =

Answer 1

Explicação passo-a-passo:

a) (-120) . (+1) . (-3) . (+2)=

(-120) .(-3) .(+2)=

+ 360 . (+2)=

+720

b) (+6) .(-10) . (+4)=

(-60) . (+4)=

- 240

c) 0

d) (+3) . (-3) .(-3)=

(-9) . (-3)=

+ 27

e) (+12) . (+57)=

+ 684