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Mathematics, 25.03.2021 23:40 alexandria3498

Raúl puede pintar una pared en una hora y Juan puede pintar dos paredes en una hora, ¿Cuánto tardarían en pintar una pared entre los dos?

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Raúl puede pintar una pared en una hora y Juan puede pintar dos paredes en una hora, ¿Cuánto tardarí...

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