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FCOJAVIERR123 · Registrado: 15 Feb 2012 Mensajes: 2

hola ya me he presentado aqui , http://www.aulademate.com/foro/hola-me-presento-desde-cordoba-vt3813.php y este es el problema:
La suma de 3 numeros consecutivos es igual al doble del mayor mas 1 .calcula los numeros

pero necesito que sea en forma de ecuacion, y no se como meterle mano, ruego que me echeis un cable, gracias.

magvixupi · Registrado: 07 Feb 2012 Mensajes: 98 Votos: 2

Hola FCOJAVIERR123:

Como son tres numeros consecutivos tenemos: x x+1 x+2

=> La suma de los tres numeros es: x+(x+1)+(x+2) y esta suma debe ser igual al doble del mayor +1 =>

x+(x+1)+(x+2)=2*(x+2)+1 => 3x+3=2x+5 => x= 2 =>

Los tres numeros consecutivos son: 2, 3, 4 //

Saludos.

alvaro_royo@live.com · Registrado: 13 Mar 2012 Mensajes: 4

y si haces ecuaciones de segundo grado igual te resulta mas facil realizarla

judy9146 · Registrado: 07 Ago 2012 Mensajes: 958 Votos: 1

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