Mathematics, 01.09.2021 16:00, kylucienne

Em um relógio A bate a 15 minutos outro relógio B bate a cada 25 minutos e um terceiro relógio C bate a cada 40 minutos . qual é em horas o menor intervalo de tempo percorrido entre duas batidas simultâneas dos três relógios? (a) 10
(b) 5
(c) 20
(d) nenhuma das alternativas está correta.

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Em um relógio A bate a 15 minutos outro relógio B bate a cada 25 minutos e um terceiro relógio C bat...