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Solución de problemas con números enteros
1.
+5 - 8 - 3 + 2 + 6 =
A) + 2
B) - 5
C) - 4
2.
+ 15 + 7 - 10 - 15 =
A) + 4
B) - 3
C) + 3
3.
(+8) + (+3) + (+5) =
A) + 16
B) + 14
C) - 14
4.
- (+3) + (-7) - (-6) =
A) + 4
B) - 4
C) - 2
5.
(-2)(-3)(+4) =
A) +24
B) -28
C) -24
6.
(-10)(0) =
A) +10
B) 0
C) -10
7.
(+22)(-1)(-3)=
A) +66
B) -66
C) +33
8.
-2[4 - 3(8 - 10)] + 20 =
A) -20
B) +20
C) 0
9.
-20 - 2(+5)(-3) - 10 =
A) -20
B) +15
C) 0
10.
[(-24)÷(-3)] - 49 + 5 - 4(+10 - 8) + (-7)(-7) - 6 =
A) - 5
B) - 1
C) + 1
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