Grade 12 2015

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ProblemSourceTags
Problem 1Grade 12 2015AlgebraFunctionalFunctions
Problem 2Grade 12 2015AreaCoordGeometryRight triangleTriangle
Problem 3Grade 12 2015DiophantineDivisibilityNT
Problem 4Grade 12 2015AlgebraEqSums
Problem 5Grade 12 2015BoardCombinatoricsOptimizationTiling