Question

a) ( - 1 ) . ( + 1 ) .( - 4 ) . ( - 6 ) . ( - 2 )

b) ( +3 ) . ( - 4 ) .( - 2 ) . ( - 5 )

c) ( -1 ) . ( - 1 ) .( - 1 ) . ( - 1 )

d) ( - 1 ) . ( - 1 ) .( - 1 ) . ( - 1 ) . ( - 1 )​

Answer 1

Resposta:

a) + 48

b) - 120

c) +1

d) -1

Explicação passo-a-passo:

a) + 48

b) - 120

c) +1

d) -1

Answer 2

a) ( - 1 ) . ( + 1 ) .( - 4 ) . ( - 6 ) . ( - 2 )

    ( -1 ) . ( +24 ) . ( -2 )

    ( -24 ) .( -2 )

    48

b) ( +3 ) . ( - 4 ) .( - 2 ) . ( - 5 )

   ( -12) . 10

   -120

c) ( -1 ) . ( - 1 ) .( - 1 ) . ( - 1 )

   1 . 1

   1

d) ( - 1 ) . ( - 1 ) .( - 1 ) . ( - 1 ) . ( - 1 )​

    1 . 1 . ( -1 )

    1 . ( -1 )

     -1