Drexel dragonThe Math ForumDonate to the Math Forum



Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » sci.math.* » sci.math

Topic: Clever curiiosity --prove?
Replies: 4   Last Post: Aug 26, 2013 10:19 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Ben Bacarisse

Posts: 1,560
Registered: 7/4/07
Re: Clever curiiosity --prove?
Posted: Aug 26, 2013 5:18 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

Pfsszxt@aol.com writes:

> Take ANY three consecutive numbers with the largest divisible by 3.
> Add them.
> If the sum as multiple digits add the digits. Else done.
> Again if multiple digits, add them, etc etc.
> Once you arrive at a single digit number the result will be 6.


-5, -4, -3 => 3

> If the three consecutive numbers had the smallest divisible by three,
> the result will always be 3.
>
> If the middle one , etc, thre result will always be 9.
>
> Prove!!


Impossible!!!

--
Ben.



Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.