What is the value of 1-2+3-4+5-6+..............-2004+2005-2006+2007?
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Originally Posted by Dragon What is the value of 1-2+3-4+5-6+..............-2004+2005-2006+2007? 3010
Originally Posted by OReilly 3010 how did u get that and i dont think that is right
Originally Posted by Dragon how did u get that and i dont think that is right It's not right. It was just a test to see if you are going to accept that value blindfully. Correct result is 1-2+3-4+5-6+..............-2004+2005-2006+2007=-1003+2007=1004
Last edited by OReilly; May 9th 2007 at 07:33 PM.
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