Mckenzie Evans
02/05/2024 · Primary School
Uma árvore de Natal tem luzes intermitentes brancas e amarelas. As luzes brancas apagam-se de 30 em 30 segundos e as luzes amarelas apagam-se de 16 em 16 segundos. Às \( 21: 00 \) todas as luzes se apagaram. A que horas vão voltar a apagar-se todas ao mesmo tempo? Apresenta a resposta em horas e minutos.
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As luzes voltarão a apagar-se todas ao mesmo tempo às 21:04.
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