amyherrera amyherrera

26-03-2018
Mathematics

contestada

Ana entrena cada dia aumentando el recorrido del dia anterior en 1 km. Al cabo de siete dias, recorrió en total de 42 km .
¿Cuantó entrenó el último día?

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jocelynjulian jocelynjulian

26-03-2018

49 creo no estoy segura de eso

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