2008 Agosto .

ENTEROS

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Ejercicio 2

Resolver

1) (–2)+(–4)=
2) (–9)+(–3)=
3) (–4)+(–3)=
4) (–5)+(–3)=
5) (+4)+(+4)=
6) (+5) + (–3) =
7) (+7) – (–4) – (+12) =
8) (–2) + (–23) – (+4) =
9) –(+41) – (–52) + (–7) =
10) (–3274) + (–347)–(–2) =
11) –(–37) – (–15) + (–7) =
12) –9+8–7+4=
13) –4–2–5–3–8–5=
14) –2+45–12+34–12=

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Ejercicio 3

Resolver:

1) –23 +3 –4 +5=
2) –11 –22 –3 +4 +12 =
3) –23 +12 –45 +12 =
4) –12 +(–23) +(+3) =
5) –19 –(–23 +12) –23=
6) –11 +12 –10 –(12 –2 +3) =


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Ejercicio 4

    1) (–4) · (–3) · (+5) =

    2) (–3) · (+6) : (–2) =

    3) (–2) · (+3) · (–5) =

    4) (–4) : (+2) =

    5) (–7) · (–2) · (+2) : (–4) =

    6) –[(4) · (–3) : (–2)] =

    7) (–2).(4) : 0 =

    8) (3) · (–3) · (+2) : (–1) =

     

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Ejercicio 5

 

  1. 3 · (2 + 5) – 6 · 5 + 5 · (3 – 4) – (6 – 8) =
  2. 1 – [6 · (2 + 3) – (4 + 1) · 2] · 2 =
  3. –3+2.(–5+1)–34.(2–2)=
  4. 4 + 7 · (4 + 5) – 8 · (9 – 8) + (–7 – 2) =
  5. 3 + 2 · 3 · ( 4 · 2) – ( 6 – 7) – 2 · 4 · (–1) =
  6. 1 + (3 + 4 · 2 – 6) · 2 – (5 – 7) · 2 =
  7. 3 – 4 · (2 – 3) · 2 + ( 4 + 3 + 2) · (–1) · 2 =
  8. 2 – [3 – (2 – 5) · 3 + 2 · (1 – 3) · (–2)] + 5 =
  9. 4 – 5 · {2 – 3 · [–4 + 2 · (5 – 4) · (–1)] · (–1)} · (–1) =
  10. 8 – [4 + (2 – 5) · 2 – 6 · 3 + (6 – 2)] · (–1) + 5 · (–3 – 2) =
  11. 1 – {2 – [3 · (4 – 5) · 2 – 3] · 2} · (–2) =
  12. 2 · {2 · [–2 · (–5 + 4) · 2] + 1 } · (–2) =
  13. 6 – 4 · (–1 – 2) – 3 · 2 · (2 · 4) · (–1) =
  14. 5.2 + 3.(–2) – [–34 + (2 –3) . 2 – 6. 3 + (1+2+1 – 2)] . (–2) + 3 . (–1 – 2)=
  15. 6 – 4.(3–2) + 2.2 – {1+1.2+2 – [1. (–3 – 1) .2 – 3] . 2} . (–2) =
  16. 2+3.8 – [5 + (2 –1– 5) ·1 – 4 · 3 + (6+2–1 – 2)] · (–2) + 5 · (–2 – 2) =
  17. 1.5.2 + 3.(–1) – [–3 + (–1 –3) . 2 – 6. 2 + (0+1+1 – 2)] . (–2) + 3 . (–1 – 2)=
  18. (–2+1).(–1–2).1 – [3 · (1–4) – (4 + 1) · 2] · 2 – [2· (–4) – (4.1) · 2] · 2=
  19. –1.(–2).5 – [–2 + (–1).(–1 –2) . – 3. 2 + (–2+1+1–2)] . (–2+1) + 3 . (–1 – 2)=
  20. –3 – 2.(–1+3–2) + 2.(–2) – {2+2 – [2. (–2 – 2) .2 – 3] . 2} . (–1) =
  21. 4– 4.(4–2) + 2.4 – {1+1.4+2 – [1. (–3 – 4) .2 ] . 2} . (–2) + 2.4 – {1+1.2+2 – [1. (–3 – 1) .2 – 3] . 2} . (–2)=
  22. 3 . (–1 – 3)+4.(–1).2 + 3.(–2) – [–3–3 + (–1 –3) . (–2) – 6. 2 +(–1+1+1 – 2)] . (–2) =
  23. – [–4–3 + (–4 –3) ]. (–2) +5– [–3–5 + (–5 –3) . (–3) – 4].(3–5) + 2.4 – {1+2.3+2 – [1. (–3 – 1) .2 – 3] . 2} . (–2+1+1+2) =
  24. 2 – [–5–3 + (–1 –7) . (–5)]. 3.(–2) – [5 + (2 –1– 5) ·1 – 4 · 3 + (6+2–1 – 2)] · (–2) + 5 · (–2 – 2 – 2) =
  25. (–2+1).(–1–2).1 – [3 · (1–4) – (4 + 1) · 2] · 2 – [2· (–4) – (4.1) · 2] · 2=
  26. (–1).3 – [–3 + (–3).(–1 –2) . – 3. 2 + 2] . (–2+1) + 3 . (–1 – 2)=
  27. 2 –3 – 2.(–1+3–2) + 2.(–2) – {2 – [2. (–1 – 2) .2 – 2] . 1} . (–2) =
  28. (–2+3–5).(–1–3–2+3) – 4 + (–1–2) · (3 + 5) –2· (–1+12 – 8) + (–7 – 2) =
  29. –2 –3.2–5.(–2–3+1).(–2+4)–2.[3 + 2 · (–3)+3] · ( –4 · 2) – ( 2 –3–4) – 2 · 4 · (–1)=
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