Re: OT-But at least it is related to Math



"William Hamblen" <wrhamblen@xxxxxxxxxxx> wrote in message
news:VKKdnaDpRupOqiPZnZ2dnUVZ_s2dnZ2d@xxxxxxxxxxxxxx
[snip]

A two digit decimal number is 10a+b, a being 1 to 9 and b being
0 to 9. Add the two digits together and you get a+b. Subtract
a+b from 10a+b and you get 9a. All the numbers evenly divisible
by 9 had the same symbol.

Bud

Here's a slightly more obscure one, but still easy to figure out:

http://misc.virtualcomposer2000.com/DavidCop.pps (PowerPoint file 225 KB)
--
Ioannis

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