From: Erin N. (enoonan@kent.edu)
Date: Sun Feb 16 2003 - 21:40:39 GMT
>===== Original Message From moq_discuss@moq.org =====
>Erin N. wrote:
>> I did this like 6 times and it worked everytime.
>> Anybody understand this phenomenon?
>> erin
>>
>> http://viral.lycos.co.uk/attachments/1159/MindReader.htm
>
>Please! Don't call these things "phenomenon". It's hardly math.
>The only numbers that can result from the operation is:
>9, 18, 27, 36, 45, ...
>because if you first subtract the right digit from any 2-digit number,
>you get 10, 20, 30, 40, ... Then subtract the left digit and you get 9,
>18, 27, ... And all those numbers have the same symbol.
>
> Magnus
i just got this way to explain it too or the hardly it
10a + b - a - b
= 10a - a
= 9a
i.e. it simply gives your first digit times nine as an answer. This is a
clear multiple of nine. Hence the trick works by making all multiples of
nine have the same symbol.
MOQ.ORG - http://www.moq.org
Mail Archive - http://alt.venus.co.uk/hypermail/moq_discuss/
MD Queries - horse@darkstar.uk.net
To unsubscribe from moq_discuss follow the instructions at:
http://www.moq.org/md/subscribe.html
This archive was generated by hypermail 2.1.5 : Sun Feb 16 2003 - 21:32:16 GMT