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anyone can solve this question??

• jiaweiwei87

  19 Jul 07, 15:01

  -8+-+-+-+-99-87-9-+-++---+13 =????
  
  anyone knw wat the answers??
• caleb_chiang

  19 Jul 07, 15:19

  191
• starmoonsun

  19 Jul 07, 15:46

  -18?
• eagle

  19 Jul 07, 17:14

  Using the great powers of a simple calculator,
  
  I got -18
• niu.niu

  19 Jul 07, 18:15

  use calculator can liao ma.. wat's the issue?
• ispyyy

  19 Jul 07, 18:22

  Originally posted by eagle:

  Using the great powers of a simple calculator,
  
  I got -18