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2007 iTest Problems/Problem 29

Revision as of 22:53, 7 October 2014 by Timneh (talk | contribs) (Created page with "== Problem == Let <math>S</math> be equal to the sum <math>1+2+3+\cdots+2007</math>. Find the remainder when <math>S</math> is divided by <math>1000</math>. == Solution ==")
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Problem

Let $S$ be equal to the sum $1+2+3+\cdots+2007$. Find the remainder when $S$ is divided by $1000$.

Solution

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