Question

[(-2)(+4)-(+1)]-{(+2)-{(+3)+(-4)]}​

Answer 1

Respuesta:

R= -12

Explicación paso a paso:

[(-2)(+4)-(+1)]-{(+2)-{(+3)+(-4)}

[(-2)(+4)-(+1)]-{(+2)-{3-4}

[(-2)(+4)-(+1)]-{(+2)-{-1}

[(-8)-(+1)]-{2+1}

[-8-1]-{3}

[-9]-{3}

-9-3

-12