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27 COMMENTS

anaanaana - 13 by February by 2010, 22:50

pista: no hay divisiones

anaanaana - 13 by February by 2010, 22:53

pista: no hay que elevar al cuadrado

anaanaana - 13 by February by 2010, 23:13

Pista: hay que multiplicar

anaanaana - 13 by February by 2010, 23:16

No hay exponentes

anaanaana - 13 by February by 2010, 23:23

La multiplicación no es la única operación a realizar

anaanaana - 14 by February by 2010, 12:17

Hay restas

anaanaana - 14 by February by 2010, 12:31

Tan sólo hay una serie de números

anaanaana - 14 by February by 2010, 13:01

El número que se resta es siempre el mismo.

anaanaana - 14 by February by 2010, 13:07

El siguiente número es 719. ¿Cuál le sigue?

anaanaana - 14 by February by 2010, 13:14

No tiene nada que ver con números primos

anaanaana - 14 by February by 2010, 13:18

primero hay que multiplicar y luego hay que restar

anaanaana - 14 by February by 2010, 13:27

Tiene que ver con factoriales

anaanaana - 14 by February by 2010, 13:31

el factorial de 4 es 4x3x2x1

anaanaana - 14 by February by 2010, 13:31

El factorial de 5 es 5x4x3x2x1

anaanaana - 14 by February by 2010, 13:34

Recopilando tenemos


0, 1, 5, 23, 119, 719, ?

anaanaana - 14 by February by 2010, 13:51

La resta es la última operación

anaanaana - 14 by February by 2010, 13:55

Siempre se resta el mismo número

anaanaana - 14 by February by 2010, 13:59

Para obtener cada número de la serie, hay que hacer el factorial de un número diferente cada vez

anaanaana - 14 by February by 2010, 13:59

el factorial de 3 es 3x2x1

anaanaana - 14 by February by 2010, 14:05

Los factoriales que se utilizan son consecutivos

anaanaana - 14 by February by 2010, 14:10

El factorial de 2 es 2x1=2

anaanaana - 14 by February by 2010, 14:18

El factorial de 6 es 6x5x4x3x2x1= 720

anaanaana - 14 by February by 2010, 14:19

El factorial de 1 es simplemente 1

anaanaana - 14 by February by 2010, 14:47

Las únicas dos operaciones son factorial y resta.

erpatodekaze - 22 by February by 2016, 16:47

gg

erpatodekaze - 22 by February by 2016, 16:47

gg

Olii - 4 by March by 2016, 15:54

Dicho así parece interesante :P

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