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NT

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Grade 9 1993 Problem 4Grade 9 1993NTRationalRadicals
Grade 9 1995 Problem 4Grade 9 1995DigitsDivisibilityNT
Grade 9 1996 Problem 1Grade 9 1996DivisibilityModNTPrimes
Grade 9 1998 Problem 2Grade 9 1998AlgebraDiophantineNT
Grade 9 2000 Problem 1Grade 9 2000DiophantineNT
Grade 9 2000 Problem 3Grade 9 2000CountingNT
Grade 9 2000 Problem 4Grade 9 2000CombinatoricsNT
Grade 9 2001 Problem 1Grade 9 2001EqNTPrimesQuadratics
Grade 9 2002 Problem 3Grade 9 2002AlgebraDiophantineEqNT
Grade 9 2003 Problem 1Grade 9 2003AreaGeometryNTPrimesTriangle
Grade 9 2003 Problem 4Grade 9 2003CountingDivisibilityNT
Grade 9 2005 Problem 1Grade 9 2005DigitsDivisibilityNT
Grade 9 2005 Problem 3Grade 9 2005NTOptimizationRational
Grade 9 2006 Problem 1Grade 9 2006AlgebraDigitsNT
Grade 9 2007 Problem 4Grade 9 2007NTOptimizationQuadratics
Grade 9 2008 Problem 2Grade 9 2008DigitsDivisibilityNT
Grade 9 2008 Problem 5Grade 9 2008DigitsNT
Grade 9 2009 Problem 1Grade 9 2009DigitsEqNT
Grade 9 2011 Problem 3Grade 9 2011AreaConstructionNTRight triangle
Grade 9 2012 Problem 3Grade 9 2012DigitsNT
Grade 9 2013 Problem 2Grade 9 2013DiophantineNT
Grade 9 2014 Problem 2Grade 9 2014CountingDivisibilityNT
Grade 9 2015 Problem 2Grade 9 2015DivisibilityModNT
Grade 9 2015 Problem 4Grade 9 2015AlgebraNT
Grade 9 2016 Problem 4Grade 9 2016AlgebraNT
Grade 9 2017 Problem 1Grade 9 2017AlgebraDigitsEqNT
Grade 9 2017 Problem 2Grade 9 2017ConstructionNTParity
Grade 9 2018 Problem 3Grade 9 2018NTPrimes
Grade 9 2019 Problem 2Grade 9 2019GeometryIncircleNTRight triangleTriangle
Grade 9 2019 Problem 4Grade 9 2019CombinatoricsNT
Grade 9 2020 Problem 2Grade 9 2020AlgebraDiophantineNT
Grade 9 2021 Problem 2Grade 9 2021DiophantineModNT
Grade 9 2022 Problem 4Grade 9 2022DiophantineNTPowers
Grade 9 2023 Problem 1Grade 9 2023DiophantineNTPrimes
Grade 9 2024 Problem 2Grade 9 2024DigitsNT
Grade 9 2025 Problem 3Grade 9 2025AlgebraExpNT
Grade 9 2026 Problem 5Grade 9 2026DiophantineNTPowers
Grade 9 2020 Problem 7Grade 9 2020NTPrimesRight triangle
Grade 9 2021 Problem 4Grade 9 2021CompositeConstructionNT
Grade 9 2021 Problem 5Grade 9 2021CountingDigitsDivisibilityNT
Grade 9 2021 Problem 7Grade 9 2021CompositeNTPrimes
Grade 9 2022 Problem 1Grade 9 2022DivisibilityModNTPowers
Grade 9 2022 Problem 7Grade 9 2022DiophantineNT
Grade 9 2023 Problem 3Grade 9 2023DivisibilityModNT
Grade 9 2023 Problem 7Grade 9 2023DivisibilityNT
Grade 9 2024 Problem 4Grade 9 2024DigitsDivisibilityNT
Grade 9 2024 Problem 7Grade 9 2024CombinatoricsCountingDigitsNT
Grade 9 2025 Problem 1Grade 9 2025DigitsNT
Grade 9 2025 Problem 3Grade 9 2025DivisibilityModNT
Grade 9 2025 Problem 5Grade 9 2025DigitsNTPowersSums