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UBA - CienciaS • Ver Tema - [IDEA] Práctica 3, Ejercicio 25
UBACS Q&A Foro WikiCS
Fecha actual 13 May 2024, 13:12

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 Asunto: [IDEA] Práctica 3, Ejercicio 25
NotaPublicado: 13 Sep 2010, 16:44 
Estudiante

Registrado: 17 May 2010, 17:24
Mensajes: 27
Corresponde a la práctica del 1° cautrimeste del 2010.
El ejercicio dice así:

25) i) ¿De cuántas maneras se puede descomponer un número natural como suma de números enteros mayores o iguales que cero?

Bueno, haciendo un final la semana pasada me contaron el siguiente resultado:
"que las maneras de intentar descomponer a un numero natural en sumas de numeros enteros positivos o nulos" se adecúa a distribuir bolitas indistinguibles en cajas numeradas.
En efecto, en el ejemplo que se da en la práctica, descomponiendo al como sumas de numeros enteros positivos o nulos, el resultado son 15 descomposiciones posibles, lo que es igual a:


Bueno espero que a alguien le sirva, aunque creo que ya se debe haber comentado esto..
Saludos.



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Mike.
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 Asunto: Re: [IDEA] Práctica 3, Ejercicio 25
NotaPublicado: 13 Sep 2010, 23:23 
Doctor
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Registrado: 25 Ago 2009, 12:04
Mensajes: 371
Ubicación: R^4
Buenisimo. Un dato más que útil e interesante.

Gracias...



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