document.write( "Question 253192: +1, 0, –1, +1, 0, –1, +1, 0, –1 . . . . and so on, where the last number is +1, has a sum of\r
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Algebra.Com's Answer #185436 by richwmiller(17219) $\"\"$ $\"About$

You can put this solution on YOUR website!
I moved your question to the proper heading.
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