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Chemistry, 02.01.2020 02:31 ineedhelpplz40

Um automóveu se desioca de são paulo às 10 horas e chega ao rio de janeiro às 17 horas depois de percorrer 420 km. qual foi a velocidade escala média desse automóvel?

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Um automóveu se desioca de são paulo às 10 horas e chega ao rio de janeiro às 17 horas depois de per...
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