Mathematics, 20.04.2021 20:50 briee998

Un estanque puede llenarse en 3 y 4 horas con dos llaves respectivamente. Una llave de desagüe lo hacía en 6 horas. ¿En cuantas horas se llena si se abren las 3 llaves simultáneamente?

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Un estanque puede llenarse en 3 y 4 horas con dos llaves respectivamente. Una llave de desagüe lo ha...

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