el261269 el261269

07-01-2023
Mathematics

contestada

Un train part à Nîmes à 15 h 49 et arrive à Clermont-Ferrand à 20 h 10 après avoir parcouru 304,5 km
a. Calculer la durée du trajet en h et min
Expliquer pourquoi cette durée est de 4,35 h.
b .Calculer la vitesse moyenne d'un train.
Merci de m'aider

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