Saturday, January 3, 2009

INTEGERS (1)

Simplify:

  1. 7 + (-4) =
  2. -8 + 10 =
  3. 16 + (-4) =
  4. -15 + (-5) =
  5. -21 + (-3) =
  6. 12 + (-9) =
  7. 15 + (-17) =
  8. -11 + (-3) =
  9. -3 + (-8) =
  10. -31 + (-19) =
  11. -9 + (-6) =
  12. 24 + (-18) =
  13. -13 + (-14) =
  14. -7 + (-10) =
  15. 6 + (-5) + (-4) =
  16. 9 + (-5) + 3 =
  17. -11 + (-3) + 9 =
  18. -4 + 8 + (-9) =
  19. 9 + (-8) + (-3) =
  20. -2 + (-9) + 4 =

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