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headers already sent by (output started at [ROOT]/includes/functions.php:3887) [phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4789: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3887) [phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4790: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3887) [phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4791: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3887) UBA - CienciaS • Ver Tema - Ejercicio 2 - Combinatoria - Primer parcial 22/05/10
Asunto: Ejercicio 2 - Combinatoria - Primer parcial 22/05/10
Publicado: 22 May 2010, 21:05
Vago
Registrado: 02 May 2009, 10:48 Mensajes: 7
Hola gente llegue hace unr ato de rendir y subo uno de los ejercicios a ver si esta bien lo que hice o si es un desastre atomico xD...
Ejercicio 2: ¿Cuantos numeros de 7 digitos hay que sean simultaneamente multiplos de 5 y 8?
Espero que este bien
Eliana
Asunto: Re: Ejercicio 2 - Combinatoria - Primer parcial 22/05/10
Publicado: 23 May 2010, 12:44
Estudiante
Registrado: 01 Feb 2010, 14:24 Mensajes: 23
En mi tema decía que los números NO se podían repetir, ergo, overcounting...
Mike
Asunto: Re: Ejercicio 2 - Combinatoria - Primer parcial 22/05/10
Publicado: 26 May 2010, 18:56
Estudiante
Registrado: 17 May 2010, 17:24 Mensajes: 27
Claro. Ademas para que un número sea divisible por 8 es necesario que las tres últimas cifras sean divisibles por 8: o sea un número que termina en 40 no siempre es divisible por 8, ejemplo: 3247540 no es divisible por 8. Y dentro de los casos que pusiste, la consigna decía que no podían repetirse los dígitos, o sea que no tendras los casos que terminan en: 000, 880, 800, 600, 440 y demás.
_________________ Mike.
Roprgm
Asunto: Re: Ejercicio 2 - Combinatoria - Primer parcial 22/05/10
Publicado: 26 May 2010, 22:12
Estudiante
Registrado: 29 Mar 2010, 23:16 Mensajes: 35 Ubicación: ::1
¿Cuántos números de 7 dígitos distintos son divisibles por 8 y 5?
Mike
Asunto: Re: Ejercicio 2 - Combinatoria - Primer parcial 22/05/10
Publicado: 29 May 2010, 14:42
Estudiante
Registrado: 17 May 2010, 17:24 Mensajes: 27
En mi tema se pedían numeros de 8 cifras distintas.
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