PotW: Four Clubs at A Highschool [Combinatorics]

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PotW: Making an Expression a Square [Algebra]

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AKPotW: Another Way of Describing an Abelian Group [Group Theory]

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PotW: An Equation with No Integer Solutions [Number Theory]

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AKPotW: Equal Temperature Points on Earth [Analysis]

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PotW: Finding the Value of a Polynomial [Algebra]

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