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Problema de Matemática do Detran
O semáforo para travessia de pedestres na rua Aurora é
programado para ficar fechado para automóveis por 50
segundos e aberto por 2 minutos e meio. O semáforo da
rua Glória, que conserva a mesma razão entre o tempo
aberto e o tempo fechado do semáforo da rua Aurora, é
programado para ficar fechado para automóveis por 35
segundos e aberto por
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