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Not really Dark Knight Send a noteboard - 01/03/2012 04:24:20 PM
I'm talking about doing it in your head. 11 X 4334. So, with the other method, it would be 43340 + 4334. Not exactly the fastest way, unless you are really good at adding and keeping the numbers still in your head. But, with me method, it would be 4_ _ _4, some quick adding, 3+4, 3+3, 4+3, and that's 47674. Alot faster, I think.
Formerly Mat Bloody Cauthon on Wotmania, blessed be its name
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Does anybody know this math trick? Dark Knight - 29/02/2012 07:29:58 PM 756 Views
Sure, it's an artifact of base 10 Isaac - 29/02/2012 08:24:18 PM 550 Views
Your own fault for doing lots of math. Joel - 29/02/2012 08:37:39 PM 616 Views
More my fault for having a algebra textbook that obsessed with abnormal base calculations Isaac - 29/02/2012 09:19:15 PM 609 Views
I think I had one like that one year. Joel - 02/03/2012 04:16:26 AM 757 Views
Your method for 11 might be even quicker! Dark Knight - 29/02/2012 08:46:44 PM 441 Views
I think it's basically the same method, but if not enjoy Isaac - 29/02/2012 09:16:21 PM 421 Views
That's what I've always used. Nate - 29/02/2012 09:24:05 PM 438 Views
Squares and factoring are also your friend. Joel - 02/03/2012 03:56:08 AM 568 Views
Yes: I was taught it in school aged 11 or 12. *NM* Tim - 29/02/2012 11:33:22 PM 181 Views
That is wayyyyy more complicated than 10x+x. But if it works for you, I am happy. *NM* Ghavrel - 01/03/2012 07:16:40 AM 198 Views
Not really Dark Knight - 01/03/2012 04:24:20 PM 405 Views
That's, uh... the same thing. Ghavrel - 01/03/2012 08:38:03 PM 380 Views
Again, it's the doing it in your head thing Dark Knight - 01/03/2012 10:27:01 PM 500 Views
Yes. It's called multiplication. *NM* Dreaded Anomaly - 02/03/2012 12:40:20 AM 245 Views
Har har har. Why even comment? *NM* Dark Knight - 02/03/2012 05:15:05 AM 182 Views
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