about 3 or 4 minutes with, with a paper and a pencil On Fri, Dec 3, 2010 at 11:10 PM, Branko Vukelic <bg.bra...@gmail.com> wrote:
> That's an example of thinking outside the box. :D > > On Fri, Dec 3, 2010 at 10:34 PM, ron_m <ron.mco...@gmail.com> wrote: > > When I saw these I was thinking what kind of weird number base is this > > in to get simple addition to yield those results. Oh well back to the > > planet I live on. > > > > On Dec 3, 1:25 pm, Jonathan Lundell <jlund...@pobox.com> wrote: > >> On Dec 3, 2010, at 1:19 PM, Branko Vukelic wrote: > >> > >> > >> > >> > On Fri, Dec 3, 2010 at 5:31 PM, Jonathan Lundell <jlund...@pobox.com> > wrote: > >> >> The answer was obvious at a glance to those of us who had > multiplication tables drilled into us all those years ago, I think. > >> > >> > I hated those tables. :) Probably explains why it took me so long. But > >> > I did in my head more or less the same thing massimo's program did. > >> > Just tried different permutations until one fit, and then applied it > >> > to the last one to test if it works. > >> > >> Yeah, they were pretty tedious. > >> > >> 2+3=10 > >> 7+2=63 > >> 6+5=66 > >> 8+4=96 > >> So: > >> 9+7=??? > >> > >> When I see "7+2=63", the 9 sort of jumps out at me, from the proximity > of the 7 & 63. And of course the 7 & 2 also look like 9, so Eureka! (Once > you then figure out the role the 9 has to play.) > >> > >> Ditto the other combinations, though in practice they just serve to > confirm the original hypothesis. > > > > -- > Branko Vukelić > > bg.bra...@gmail.com > stu...@brankovukelic.com > > Check out my blog: http://www.brankovukelic.com/ > Check out my portfolio: http://www.flickr.com/photos/foxbunny/ > Registered Linux user #438078 (http://counter.li.org/) > I hang out on identi.ca: http://identi.ca/foxbunny > > Gimp Brushmakers Guild > http://bit.ly/gbg-group >
