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rvgre87 received 1 Kudos for post Re: If a=(13!^1^6-13!^8)/(13!^8+13!^4) hat is the unit digit of.

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CarcassRe: If a=(13!^1^6-13!^8)/(13!^8+13!^4) hat is the unit digit of04-May-2021

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