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Amazing Math Trick !!!

Atran
319 100+
Hello, you can see an "amazing math trick" on video.
Just enter this link:
http://www.metacafe.com/watch/308492/amazing_math_trick/
Jun 10 '07 #1
6 2226
kestrel
1,071 Expert 1GB
Hello, you can see an "amazing math trick" on video.
Just enter this link:
http://www.metacafe.com/watch/308492/amazing_math_trick/
that seems more complicated than
Expand|Select|Wrap|Line Numbers
  1.  96
  2. x98
  3. ------
  4. 9408
  5.  
at least for me...
Jun 10 '07 #2
pbmods
5,821 Expert 4TB
Interesting. Yes, yes. Interesting.
Jun 10 '07 #3
JosAH
11,448 Expert 8TB
Interesting. Yes, yes. Interesting.
I don't find it very interesting; it all boils down to, say, (100+x)*(100+y) being
equal to 10,000 + 100*(x+y) + (x*y). For small values of x and y (whether
positive or negative) you get the clue behind that 'trick'.

kind regards,

Jos
Jun 10 '07 #4
pbmods
5,821 Expert 4TB
Totally off-topic. Here we go.

Ooh, hey. Nice status, JosAH. Is that new?
Jun 11 '07 #5
JosAH
11,448 Expert 8TB
Totally off-topic. Here we go.

Ooh, hey. Nice status, JosAH. Is that new?
Yup, I write a few articles myself for the Java Articles section and try to help
and streamline a bit with the other articles in the Editor's Corner. Banfa is the
boss of it all.

kind regards,

Jos
Jun 13 '07 #6
DeMan
1,806 1GB
Hello, you can see an "amazing math trick" on video.
Just enter this link:
http://www.metacafe.com/watch/308492/amazing_math_trick/
They actually showed this (locally) on TV a couple of months ago.....
Apparently it is becoming widely used in schools (in South Aust)
Jun 14 '07 #7

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