MathDB
Problem 1

Source: Paraguayan Mathematical Olympiad 2013

July 25, 2015
algebra

Problem Statement

Evaluate the following expression:
20132+20112+…+52+32−20122−20102−…−42−222013^2 + 2011^2 + … + 5^2 + 3^2 -2012^2 -2010^2-…-4^2-2^2
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