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Old 02-23-2007, 02:59 AM   #11
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Default Re: A Quick thinker?

Quote:
Originally Posted by Brookfield
This isn't a joke, but I think you'll like this mathematical quirk;

111,111,111 x 111,111,111 = 12,345,678,987,654,321

that...is freakin cool.
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Old 02-23-2007, 07:46 AM   #12
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Default Re: A Quick thinker?

that works on any 1 series squared...like:

11^2 = 121
111^2 = 12321
1111^2 = 1234321

and so on...
dont know what happens when there are 10 1's though...didnt have a calcultor to do that...might check excel

edit: it doesnt work at 10: 1234567900987650000
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Old 02-23-2007, 10:18 AM   #13
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Default Re: A Quick thinker?

Quote:
Originally Posted by kjman87
that works on any 1 series squared...like:

11^2 = 121
111^2 = 12321
1111^2 = 1234321

and so on, dont know what happens when there are 10 1's though...didnt, have a calcultor to do that...might check excel, it doesnt work at 10: 1234567900987650000
I didn't work it out in the first place, I got it from another site.
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