Re: A83: Tutorials...
[Prev][Next][Index][Thread]
Re: A83: Tutorials...
Since you have a six digit number with three (not including the second one)
odd numbers, wouldn't you just do 6!*(3/6) and get 360? Or am I completely
off?
Paul
brabeler@isd.ingham.k12.mi.us wrote:
> Icemn711@aol.com wrote:
>
> > That is the right way.
> >
> > > don't you pay too much attention to those 1s now? First you say that
> > > only 3 digits can be the rightmost digit. Then when you've calculated
> the
> > > number of possible combinations, you divide that number by two. But by
> then
> > > you've already reduced the number of possible combinations once! I'd
> say 4
> > > digits can be in the units place (3, 1, 5 and 1), then calculate
> > 5*4*3*2*1*
> > > 4
> > > = 480. _This_ number should be halved -> 240 possible combinations.
> > >
> > > Am I completely wrong?
> > >
> > > Linus
>
> 112345 112435 112453 112543 113245 113425 114235
114253
> 114325 114523 115243 115423 121345 121435 121453
121543
> 123145 123415 123451 123541 124135 124153 124315
124351
> 124513 124531 125143 125341 125413 125431 131245
131425
> 132145 132415 132451 132541 134125 134215 134251
134521
> 135241 135421 141235 141253 141325 141523 142135
142153
> 142315 142351 142513 142531 151243 151423 152143
152341
> 152413 152431 153241 153421 154123 154213 154231
154321
>
> Ok, the above are all the posibilites for having a 1 in the first place
> value.
> (tell me if I missed any) There are 64 total odd numbers. For each
number,
> you
> could swap the 1 in front with any of 4 other different numbers, so there
> should
> be 64*5 = 320 different numbers.
>
> --
> Bryan Rabeler <brabeler@ticalc.org>
> File Archives, HTML, and Support
> the ticalc.org project - http://www.ticalc.org/
Follow-Ups: