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From: asu To: Teacher2Teacher Public Discussion Date: 2009042204:29:53 Subject: power problem Hello! Suzanne A. thanks. i have a problem which i send to mathforum.they give me a link,but i don't find. My problem is: 1^1+2^2+3^3+.........+n^n avove this equition to find the last digit efficiently. i have calculated this equition but it's slow for my computer program. can you help me to solve this equition efficiently? plz to describe this equition. best of luck.
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