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2021 AMC 10AProblem 1P1-10~1 minPrint
Exponents, Logarithms & RadicalsSet up the equation/formula and compute; no special trick needed

What is the value of (22−2)−(32−3)+(42−4)?(2^2-2)-(3^2-3)+(4^2-4)?

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Problem © Mathematical Association of America (MAA), American Mathematics Competitions. Reproduced for non-commercial educational use. Solution and commentary are original to this site.