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Los números enteros.
Autor :
Mario Martín Pérez
1.
(5) + (-7)
A.
12
B.
+13
C.
- 12
D.
- 2
2.
(5 x (-4)) + 2
A.
- 18
B.
- 22
C.
- 10
D.
+ 10
3.
5 + 7 + (-6 x (+ 6) x (+6))
A.
- 1284
B.
+ 1284
C.
+ 1296
D.
- 1296
4.
(9.000) : (-4500)
A.
+ 2
B.
- 2
C.
+ 2679
D.
- 2679
5.
5 x (- 8) x (+1)
A.
- 45
B.
+ 40
C.
- 40
D.
+ 45
