EJERCICIOS PARA RESOLVER EL 13 DE SEPTIEMBRE DEL 2012
·
|
- 8
|
( 5 - 6
+ 8 - 3 )
|
=
|
·
|
5
|
( - 4 + 7 -
3 + 9
)
|
=
|
·
|
- 4
|
( - 3 + 2 -
8 +
6 )
|
=
|
·
|
11
|
( 6 -
4 + 7 - 8 )
|
=
|
·
|
- 7
|
( - 5 + 7 -
4 +
9 )
|
=
|
·
|
3
|
( - 4 - 6
+ 8 - 7
)
|
=
|
·
|
- 5
|
( - 2 - 8
- 3 + 9 )
|
=
|
·
|
12
|
( 4 -
6 + 3 - 5 )
|
=
|
·
|
- 2
|
( - 3 + 5
- 4 + 6
)
|
=
|
·
|
- 7
|
( 11 -
8 + 2 - 5 )
|
=
|
·
|
8
|
( - 4 + 5
- 6 + 7
)
|
=
|
