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UBA - CienciaS :: Ver Tema - Criterio de divisibilidad por 37
UBA - CienciaS
http://ubacs.com.ar/ubacs/

Criterio de divisibilidad por 37
http://ubacs.com.ar/ubacs/viewtopic.php?f=10&t=108
Página 1 de 1

Autor:  Nico? [ 02 Jun 2008, 21:21 ]
Asunto:  Criterio de divisibilidad por 37


Autor:  Cloud [ 02 Jun 2008, 21:41 ]
Asunto:  Re: Criterio de divisibilidad por 37

Chan!... extranio ppero inteeresante xD.. jejee

Autor:  Yossarian [ 03 Jun 2008, 21:36 ]
Asunto:  Re: Criterio de divisibilidad por 37

.

A buen entededor, pocas.

Autor:  Quimey [ 05 Jul 2008, 14:13 ]
Asunto:  Re: Criterio de divisibilidad por 37

Estos criterios de divisibilidad se pueden crear facilmente calculando los divisores de y . Para el primer caso nos quedan criteros parecidos al del 11 donde hay que tomar una suma alternada y para el segundo caso nos quedan criterios similares al del 9 en donde uno suma todas las cifras. Este es el caso del 37 porque divide a 999=1000-1 como observaron antes.
Lo mas interesante es que estos metodos se aplican en otras bases de numeracion como el binario o el hexadecimal. Por ejemplo un criterio de divisibilidad por 7 es complicado (en base 10) porque no divide a 9, 11, 99, 101 ni a 999. Si divide a 1001 con lo cual se podria hacer un critero del estilo de: Separo las cifras en grupos de 3 y voy sumando y restando. Al numero que queda le repito el procedimiento hasta que obtenga un numero de 3 cifras. El numero original es multiplo de 7 si y solo si este que obtuvimos lo es. Pero para evitar todo este quilombo podemos escribir el numero en base 2 y como 7 divide a la receta dice que separamos los digitos de a 3 y sumamos. Si el numero que queda es multiplo de 7 el que empezamos era. Pero entre 1 y 8 solo hay un multiplo de 7.
Espero que se entienda.

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