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Article #153Re: Rules of divisibility for a counting number N
From: Frank F. Matthews
Date: Thu, 12 Oct 2006 22:54
Date: Thu, 12 Oct 2006 22:54
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2173 bytes
Ian wrote: > Frank F. Matthews wrote: > >>Sloppy work. If you are going to go to 12 then include the rule for 11. > > > He wimped out of 7 as well. > > Ian > Seven I'll let go. There really isn't a nice rule in base ten. I also wasn't getting into the point that these rules are base dependent. Skipping the eleven rule is bad though. I'll get to see in a couple of weeks how well my students remember them. Including the eleven rule.
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