VitoriaNunes VitoriaNunes
  • 25-05-2017
  • Mathematics
contestada

para construir uma estrada de 400 km, 50 trabalhadores, gastam 8 horas por dia. quantas horas por dia Devem Trabalhar 80 trabalhadores para Construir uma estrada de 950 km Em 12dias

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mya128 mya128
  • 25-05-2017
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