Question

{-[-9+8-2(+3-7)]+[8-(7+9+8)+15]} ​

Answer 1

hola :3

{-[-9+8-2(+3-7)]+[8-(7+9+8)+15]} ​

$=-7+[8-(7+9+8)+15]$

$=-7-1$

$=-8$

saludos

att :sam