Grade 9 2013

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ProblemSourceTags
Problem 1Grade 9 2013AlgebraSystems
Problem 2Grade 9 2013DiophantineNT
Problem 3Grade 9 2013GeometryInequalitiesRight triangle
Problem 4Grade 9 2013AreaGeometryPolygon
Problem 5Grade 9 2013CombinatoricsOptimization