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JAXAshby
 
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Default uffda.

want to see 254 * 256 in my head?

okay ends in 24

next digits back = 650

answer is: 65024

literally, done in my head that fast.

no smoke, no mirrors.

I can just imagine Jax trying to emulate her.
Jax, "lets see 000 X 000, is.......ummmmm......errrrrr..... HEY MA ??!!!"

Shen


I suppose she couldn't have been too bright.

Rick


she could multiply 3-digit numbers in her head,











  #35   Report Post  
JAXAshby
 
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Default uffda.

answer is: 65024

literally, done in my head that fast.

no smoke, no mirrors.


however, there was a "trick", two actually.

First, two numbers multipied together that differ by two will give a product
that is 1 less than the square of the number between them.

Second, a number squared that ends in 5 gives a product that ends in 25, and
the other digits are equal to the remaining digit(s) times itself plus one.

Got it?

jeffies wife will explain it if you ask her.




  #37   Report Post  
JAXAshby
 
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Default uffda.

shen, LOL, you made yourself a fool, for *those* numbers can't be worked that
way.

dumb try, shen. dumb. but I applaud your effort.

Want to see 2546 * 2547 in my head?

ok ends in 62

next digits back = 846

final digits back = 64

answer 6484662

literally done in my head that fast.

no smoke no mirrors

Shen


want to see 254 * 256 in my head?

okay ends in 24

next digits back = 650

answer is: 65024

literally, done in my head that fast.

no smoke, no mirrors.











  #40   Report Post  
JAXAshby
 
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Default uffda.

bull. there is no intuitive way to calculate the product of those numbers in
that way, any more than you can calc a 4th root of a number algabraicly with a
pencil and paper.

There ARE ways to calc that product in one's head, but not in the fashion you
claimed. None.

sorry, dude.

wanna see me do square roots using an adding machine? $100 and I will show
you.

shen, LOL, you made yourself a fool, for *those* numbers can't be worked

that
way.


OH? prove it... my mind works in ways you will never understand, and since we
were talking mental calculations, who are you to tell me I can't work things
in
a particular way in my own mind. (statement, not a question). All you can
question is the accuracy of my statement, and after the fact, I checked my
calculations on a calculator and found them correct.

If you wish, waste some time and prove me wrong...... nah, don't do that ....
even YOU won't understand what you're saying.

Shen








 
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Uffda!! What a bunch of dummies JAXAshby ASA 1 March 11th 04 06:16 PM


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