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OPERACIONES CON NÚMEROS ENTEROS
  • 1. ( - 8 ) - ( - 10 ) =
A) 2
B) 5
C) - 2
D) 10
  • 2. ( 5 )x( - 3 ) =
A) 8
B) 15
C) - 15
D) -8
  • 3. - 6 - 4 =
A) -24
B) 24
C) 10
D) - 10
  • 4. ( -20 ) + ( - 30 ) =
A) -60
B) - 50
C) 50
D) 60
  • 5. ( - 10 ) - ( 4 ) =
A) 6
B) 14
C) - 14
D) -6
  • 6. ( - 5 ) x ( - ( 4 ) =
A) -20
B) 1
C) 20
D) -1
  • 7. ( 7 ) - ( - 7 ) =
A) 14
B) - 14
C) 0
D) 2
  • 8. ( - 20 ) / 2 =
A) -22
B) - 10
C) 22
D) 10
  • 9. ( - 50 ) + ( - 30 ) + 20 =
A) 50
B) - 60
C) -30
D) 60
  • 10. ( - 9 ) x ( -2 ) =
A) 15
B) -7
C) 18
D) - 18
  • 11. ( 5 ) - ( - 5) =
A) 25
B) -25
C) 10
D) -10
  • 12. 5. ( - 6 ) =
A) 30
B) - 30
C) -9
D) 9
  • 13. - ( - 8 - 4 ) =
A) -24
B) 24
C) 12
D) - 12
  • 14. ( - 8 ) / ( - 4 ) =
A) 2
B) 12
C) -2
D) -12
  • 15. [ 10 - ( 8 - 2 ) - 5 ] =
A) 1
B) - 1
C) 6
D) 6
  • 16. - { - 2 + 8 + ( 3 - 8 ) - 5 } =
A) 7
B) - 4
C) 4
D) 2
  • 17. (-8).( - 6 ) =
A) 48
B) - 2
C) - 48
D) 2
  • 18. ( 100) / ( - 20) =
A) 2
B) 4
C) 5
D) -5
  • 19. (-2 )x(-3 )x( -5 ) =
A) -10
B) 30
C) 10
D) -30
  • 20. - 2 x ( 5 - 7 ) - ( -4 ) x ( 3 + 2 ) =
A) 20
B) 24
C) - 24
D) 10
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