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Mathematics, 03.03.2021 17:30 sam9350

El doble de la edad de Juan más la edad de su papá suman 78 años. Considerando que su papá tiene 50 años ¿Qué ecuación permite conocer la edad de Juan?

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El doble de la edad de Juan más la edad de su papá suman 78 años. Considerando que su papá tiene 50...
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