Mathematics, 20.11.2020 19:00 romanlittlewood

Cuatro palas excavadoras hacen un trabajo de movimiento de tierras en 14 días. ¿Cuánto se tardaría en hacer ese mismo trabajo si se dispusiera de 7 palas excavadoras?
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Cuatro palas excavadoras hacen un trabajo de movimiento de tierras en 14 días. ¿Cuánto se tardaría e...

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Cuatro palas excavadoras hacen un trabajo de movimiento de tierras en 14 días. ¿Cuánto se tardaría en hacer ese mismo trabajo si se dispusiera de 7 palas excavadoras? con operacion por fa

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Cuatro palas excavadoras hacen un trabajo de movimiento de tierras en 14 días. ¿Cuánto se tardaría en hacer ese mismo trabajo si se dispusiera de 7 palas excavadoras?
con operacion por fa