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Mathematics, 28.09.2020 05:01 boo3972
Una piscina está abierta cada día durante 7 1/2 horas en la piscina hay un salvavidas en turno en cualquier momento el turno de cada salvavidas tiene una duración de 1 1/2 horas. ¿cuántos turnos hay cada día?
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Answers: 3
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Una piscina está abierta cada día durante 7 1/2 horas en la piscina hay un salvavidas en turno en cu...
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