Respuesta :

2 + 2 - 2 + 2 - 2 + 2 - 5 + 2 =

2 + 2 + 2 + 2 + 2 - 2 - 2 - 5 =

10 - 9 =

1

= 2+2-2+2-2+2-5+2

= 2+2+2+2+2-2-2-5

= 10-9

= 1