81 Ejemplos de operaciones combinadas de sumas y restas

  1. {(-103) + 〈(-52) + [(+15) – (+41)]〉} – {(-6) + [(+19) + (-7)]} – (+2) =
  2. – 3 + 4 – 5 + 1 + 3 – 2 + 9 + 7 + 6 =
  3. ( – √32/3) – [( + (5√6)/3) – ( + 1/9)] – {[( – √2/9) – (7/6)] + ( – √6/3)} =
  4. ( – 17) + ( – 3) + ( – 5) – ( – 13) – ( + 28) + ( – 11) – ( – 3) =
  5. ( + 7/3) + ( – 1/15) + ( + 2/5)- ( + 9/15) – ( – 2/5) – ( + 5/3) =
  6. ( + 0.75) – ( + 0,185) + ( – 3/( 8)) + ( – 5/6) + ( + 1,5) + ( – 7/8) – ( – 5/4) =
  7. (- 11) + [( + 18) – ( + 8)] – {[( + 35) + ( – 19)] – ( + 7)} =
  8. ( + 5/6) – {( – 11/24) + [( – 1/6) + ( + 7/24)]} – [( – 5/6) – ( + 1/3)] =
  9. {( – 26) – 〈( – 17) + [( – 32) – ( + 14)]〉} – {( + 4) + [( – 25) – ( – 7)]} + ( + 3) =
  10. (- (3√2)/8) + (+ (5√3)/3) – (+ 1/24) – (+ (7√2)/3) – (5/8) – (+ (2√3)/3) =
  11. – 8 + 21 + 7 + 14 – 37 – 11 + 15 – 7 + 6 =
  12. {( + 13) + [( – 7) – ( – 6)]}-[( + 22) – ( – 12)] – ( – 8) =
  13. ( + (5√2)/8) – [( – (7√3)/2) – ( + 3/4)] – {[( – (3√2)/32) + (1/8)] + ( + (3√3)/4)} =
  14. ( + 1) + ( – 3) – ( – 4) + ( + 6) + ( – 8) – ( + 2) + ( – 3) =
  15. – {[( – √3/7) + (7/6)] + ( – √2/6)} – ( – √18/7) + [( + (5√12)/6) – ( + 3/7)] =
  16. ( – 8) – ( + 12) + ( + 5) – ( – 15) – ( + 9) + ( – 20) – ( + 4) =
  17. (+1/3) – (-3/15) + (-1/5) + (+4/15) – (-4/5) – (+1/3) =
  18. ( + 1/3) – ( – 0,25) + ( – 5/( 8)) + ( – 1/6) + ( + 0,75) – ( – 7/8) – ( + 1/4) =
  19. – (- 10) + [( – 13) + ( + 7)] – {[( – 6) + ( – 8)] + ( + 5)} =
  20. – {( – 9/15) + [( – 3/5) + ( + 7/15)]} + ( – 2/3) – [( – 4/5) – ( + 1/3)] =
  21. (+ 3/4) – (- √2/3) – (- (5√2)/8) – (+ (2√3)/3) – (1/6) + (- (2√3)/3) =
  22. {( + 26) – 〈( – 16) – [( + 21) + ( + 6)]〉} – {( + 3) + [( – 8) + ( + 6)]} – ( – 11) =
  23. – 7 – 17 + 9 – 22 + 5 + 23 – 11 + 6 – 12 =
  24. ( – (3√2)/8) + [( + (5√3)/3) – ( + 3/4)] – {[( + √2/3) – (2/6)] – ( + (5√3)/3)} =
  25. ( – 25) – ( + 15) + ( + 20) – ( – 7) – ( + 4) + ( – 9) – ( + 12) =
  26. {( – 7) – [( + 12) + ( – 17)]}-[( – 6) + ( + 26)] + ( + 5) =
  27. ( – (2√32)/3) + [( + √6/3) – ( – 1/9)] – {[( – (6√2)/9) + ( – 5/6)] + ( – (2√6)/3)} =
  28. ( – 2) – ( + 1) + ( + 3) – ( – 6) – ( + 9) + ( – 5) – ( + 7) =
  29. (- 1/3) – ( + 7/15) + ( + 3/5) + (+6/15) – (-1/5) – (+ 2/3) =
  30. ( + 1/2) – ( – 0,185) + ( – 3/( 8)) + ( – 1/5) + ( + 0,4) – ( – 7/8) – ( + 3/4) =
  31. – {[( + 31) + (- 27) + [( + 16) – ( + 35)] + ( – 42)] – ( + 29)} =
  32. ( + 2/3) – {( – 1/3) + [( – 4/5) + ( + 3/5)]} – [( – 1/5) – ( + 2/3)] =
  33. (- (4√2)/6) + (+ (2√3)/3) + (+ 3/4) – (- √2/3) + ( – 4/6) + (- (5√3)/3) =
  34. {( – 1) + 〈( – 2) + [( + 3) – ( + 4)]〉} – {( – 5) + [( + 6) + ( – 7)]} – ( + 8) =
  35. – 6 + 5 – 7 + 9 + 11 – 13 – 15 + 17 + 19 =
  36. ( – (5√2)/8) – [( + (5√3)/3) + ( + 1/6)] – {[( – (2√2)/3) + ( – 5/6)] + ( – √3/2)} =
  37. ( – 4) – ( + 8) – ( + 12) – ( – 16) + ( + 20) + ( – 24) – ( + 30) =
  38. {( – 22) -[( + 11) + ( – 8)] – ( + 3)+ [( + 9) – ( + 4)]} =
  39. – {[( – √2/9) – (7/6)] + ( – √32/3) – [( + (5√6)/3) – ( + 1/9)] – ( – √6/3)} =
  40. ( – 49) – ( + 42) + ( + 35) – ( – 28) – ( + 21) + ( – 14) – ( + 56) =
  41. (+2/3) – (-5/9) + (-2/5) + (+11/15) – (-7/9) – (+1/3) =
  42. ( + 1/2) + ( – 0,2) + ( – 2/( 5)) + ( – 2/4) + ( – 0,25) – ( + 1/8) – ( + 5/16) =
  43. (- 3) + [( + 6) – ( + 9)] – {[( + 12) + ( – 15)] – ( + 18)} =
  44. – {( – 2/3) + [( – 2/5) + ( + 1/5)]} – [( – 1/5) + ( + 2/3)- ( + 4/3)] =
  45. (- √2/2) – (+ (2√3)/3) + (+ 1/4) – (- √2/3) – ( + 1/3) + (- √3/3) =
  46. {( – 2) + 〈( – 7) + [( + 9) – ( + 4)]〉} – {( – 7) – ( + 3)+ [( + 5) + ( – 8)]} =
  47. – 8 + 15 – 24 + 31 + 40 – 47 + 56 + 63 + 72 =
  48. ( – √3/6) – [( + (4√2)/3) + ( + 1/9)] – {[( – (4√3)/3) – ( – 1/6)] + ( – √2/3)} =
  49. ( – 90) – ( + 103) + ( + 94) – ( – 116) – ( + 78) + ( – 231) – ( + 93) =
  50. {( – 212) + [( + 59) – ( + 47)]}-[( + 141) + ( – 68)] – ( + 93) =
  51. ( – √32/3) + [( – (5√6)/3) – ( + 1/9)] – {[( + √2/9) – ( + 1/3)] + ( – √6/3)} =
  52. ( – 4) + ( + 9) – ( + 16) + ( – 81) + ( + 25) – ( – 36) – ( + 5) =
  53. (+2/3) – (-2/15) + (-2/5) + (-1/15) – (-1/5) – (+4/3) =
  54. ( + 1/2) – ( + 0,625) + ( – 3/( 8)) + ( – 2/2) – ( + 0,875) – ( – 6/8) – ( + 3/4) =
  55. (- 5) + [( + 36) – ( + 25)] – {[( + 61) + ( – 18)] – ( + 4)} =
  56. ( + 2/5) – {( – 2/15) + [( – 2/3) + ( + 1/15)]} – [( – 1/3) – ( + 4/5)] =
  57. (- √12/8) – (+ (4√3)/3) – (+ 1/4) – [ – (+ (4√12)/3) – (√3/6) + (- √3/3)] =
  58. {( – 4) + 〈( – 9) + [( + 12) – ( + 10)]〉} – {( – 8) + [( + 15) + ( – 18)]} – ( + 31) =
  59. – 11 + 6 – 12 + 24 + 7 – ( – 14 + 9 + 17) + 7 =
  60. ( – √2/8) – [( + (4√5)/3) + ( + 1/4)] – {[( – (4√2)/3) – ( – √2/6)] + ( – √5/3)} =
  61. {( – 9) – [( + 13) + ( + 4) – ( – 16)] – ( + 8)}+ ( – 21) – ( + 3) =
  62. {( – 3) + [( + 5) – ( + 4)]}-[( + 7) + ( – 8)] – ( + 9) =
  63. – 9 + 15 – ( – 5 + 31 + 2) – 22 + ( – 9 + 17 + 7) =
  64. ( – √5/8) – [ – ( + (4√3)/3) + ( + 1/4)] – {[ – ( – (4√5)/3) – ( – 5/2)] + ( – √3/3)} =
  65. [ – ( – 5) – ( + 11)] + ( + 9) – [( – 16) – ( + 7) + ( – 14)] – ( + 3) =
  66. {( – 1) + [( + 9) + 0,1 – ( + 4)]}-[( + 11) – 0,75+ ( – 8)] – ( + 3) =
  67. ( – √7/3) – [( + (5√5)/3) – ( + 1/9)] – {[( – √7/9) – ( + 1/9)] + ( – √5/3)} =
  68. ( – 9) – {( + 13) + [ – ( + 4) – ( – 16)] – ( + 8) + ( – 21)} – ( + 3) =
  69. (+2/3) – {(-2/15) + [(-2/5) + (+1/15) – (-1/5)] – (+4/3)} =
  70. ( + 1/2) – [( – 0,25) + ( – 2/( 6))] + ( – 2/6) + ( + 0,75) – [( – 1/6) – ( + 5/4)] =
  71. (- 2) + [( + 9) – ( + 3)] – {[( + 8) + ( – 4)] – ( + 7)} =
  72. (- √2/2) – (+ √3/3) + (+ 1/2) – (- √2/3) – ( + 1/2) + (- √3/3) =
  73. {( – 1) + 〈( – 3) + [( + 1) – ( + 3)]〉} – {( – 1) – ( + 3)+ [( + 1) + ( – 3)]} =
  74. – 5 + 15 – 10 + 15 + 20 – 15 + 25 – 15 + 30 =
  75. ( – √3/6) – [( – √6/3) + ( + 1/3)] – {[( – √3/3) – ( + 1/6)] + ( – √6/3)} =
  76. ( – 90) – {( + 13) + ( + 94) – [( – 11) – ( + 78)] + ( – 23)} – ( + 93) =
  77. {( – 93) + [ – ( + 23) – ( + 78)]}-[( + 11) + ( – 94)] – ( + 13) =
  78. ( – √7/3) + [( – √7/3) – ( + 1/3)] – {[( + √7/3) – ( + 1/3)] + ( – √7/3)} =
  79. [( – 4) + ( + 9)] – ( + 7) + ( – 6) + ( + 2) – [( – 1) – ( + 5)] =
  80. – 5 + 14 – [(- 11 + 15 + 20) – 15 + 27 – 15] + 30 =
  81. (- √2/2) – (+ √5/2) + (+ 1/2) – [(- √2/2) – ( + 1/2) + (- √5/2) ]=

Ángel Míguez Álvarez