Respuesta :
[tex]( + 18) + ( - 3) + ( + 1) + ( - 4) + 2 = \\ 18 - 3 + 1 - 4 + 2 \\ \bf = 14[/tex]
........
(18+)+(-3)+(+1)+(-4)=+2 Falso
[tex]respuesta = [/tex]
(18+)+(-3)+(+1)+(-4)=2
18-3+1-4=
19-7=
12
(18+)+(-3)+(+1)+(-4)=+2
Falso
[tex]( + 18) + ( - 3) + ( + 1) + ( - 4) + 2 = \\ 18 - 3 + 1 - 4 + 2 \\ \bf = 14[/tex]
........
(18+)+(-3)+(+1)+(-4)=+2 Falso
[tex]respuesta = [/tex]
(18+)+(-3)+(+1)+(-4)=2
18-3+1-4=
19-7=
12
(18+)+(-3)+(+1)+(-4)=+2
Falso