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A Nice Limit Done Without Using Wolframalpha

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Solving This Equation With One Simple Trick

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Sum of Prime Squares is a Cube

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When is This Fraction an Integer?

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A Tricky Divisibility Problem

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Solving This Problem in One Step | Baltic Way 2011

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Are There Any Fifth Powers?

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An Interesting Equation of Powers

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A Beautiful Equation | Switzerland IMO TST 2015

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When is This Fraction a Cube?

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A Nice Equation of Powers | Turkish National Maths Olympiad 2014

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When the Sum of Powers are All Equal

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A Quick Functional Equation | India IMO TST 2010

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Indian National Mathematics Olympiad 2013 Problem 2

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The Answer is Surprisingly Easy! | India National Mathematics Olympiad 2003

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One Simple Trick to Solve This National Maths Olympiad Problem

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Could You Make The Greece IMO Team? | Greece IMO TST 2013

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When Can This be a Perfect Square? | Turkish National Mathematical Olympiad 2009

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Turkish National Maths Olympiad 2004

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Solving This Problem With One Trick

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Solving a Symmetric Quintic Equation | Polish MO Finals 2015

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Greece Junior Mathematics Olympiad 2020 Problem 1