SOLUTION: How to answer this 1²-2²+3²-4²+...+2012²-2013²

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Question 901257: How to answer this 1²-2²+3²-4²+...+2012²-2013²
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Evens should be negative and odds positive! but you have 2012²-2013²