Question

{ +4 +5 – [ +6 +3 – ( +2 +1 ) +3 ] -8 } = ??

Answer 1

Respuesta:

-8

Explicación paso a paso:

{ +4 +5 – [ +6 +3 – ( +2 +1 ) +3 ] -8 } =

{+4+5-[+6+3 -2-1+3]-8}=

{+4+5-6-3+2+1-3-8}=

+4+5-6-3+2+1-3-8=

(+4+5+2+1) - ( +6+3+3+8)=

    12   - 20= -8