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28-12-2022
Mathematics

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1. Hallar un número de dos cifras sabiendo que la suma de las cifras es 12 y que la primera de ellas es el triple de la segunda.

2. Alberto y su padre se llevan 25 años de edad. Calcular la edad de Alberto sabiendo que dentro de 15 años la edad de su padre será el doble que la suya.

3. Se tiene un rectángulo cuya altura mide 2cm más que su base y cuyo perímetro es igual a 24cm. Calcular las dimensiones del rectángulo.

AYUDA PORFAVOR¡¡¡

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