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Mathematics, 20.06.2020 18:57 sg3635939

Três amigos vão viajar para três cidades diferentes, mas querem partir da rodoviária ao mesmo tempo. Os ônibus deles têm saídas programadas: o primeiro sai a cada 12 minutos; o segundo sai a cada 18 minutos e o terceiro sai a cada 20 minutos. Se o último horário em que os ônibus partiram juntos foi às 13h20min. Quando irão sair juntos de novo?

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