enteros_03

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enteros_03

1. (-8) + [(-5) + (+7)] =

2. +6 + (11 - 2 + 5) =

3. (-9) + [(-8) + (+5)] + (-4) =

4. 12 - (-4) + (-7) =

5. -7 - (-12) - (+3) =

6. -7 - [(-3) - (-9)] =

7. -3 + (-2) + 7 - (-4) =

8. -5 - [3 + (-7) - (-6)] =

9. 6 + (-4 + 2)- (-3 -1) =

10. 7 - (4 + 3) + (-1 + 2) =

11. (-5) · (7 + 8) =

12. 2 · (6 - 4) =

13. -2 · (-6 + 4) =

14. -3 · (4 + 9) =

15. (-6) · [5 + (-2)] =

16. (-42) : (+7) =

17. (+1500) : (-10) =

18. (-12) : 3 - [13 + 6 - (-2)] =

19. 36 : (-4) + 5 · (-2) =

20. 100 - 22 · 5 =

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