SOLUTION: What is 1-2+3-4+5-6+...+2013?
I have no idea how to do this problem. The answer is 1007
All help is appreciated. Thanks!!!
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-> SOLUTION: What is 1-2+3-4+5-6+...+2013?
I have no idea how to do this problem. The answer is 1007
All help is appreciated. Thanks!!!
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Question 1050868: What is 1-2+3-4+5-6+...+2013?
I have no idea how to do this problem. The answer is 1007
All help is appreciated. Thanks!!! Found 2 solutions by Alan3354, ikleyn:Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! What is 1-2+3-4+5-6+...+2013?
I have no idea how to do this problem. The answer is 1007
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Add the odd positive integers.
Add the even negative integers.
Then add the 2 sums.
