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Loulou1803
@Loulou1803
May 2019
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Bonjours, besoins d'aide pour cette questions de 3è svp :
Un autmobiliste a parcourue 336km en 4h15min.
Quelle a été sa vitesse moyenne en km/h ?
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Commentaires (4)
Verified answer
Bonjour
4 h 15 min = 4 *60 + 15 = 255 minutes
en 255 min , il fait 336 km
en 60 min = ( 60 * 336) / 255 = 79 km / h arrondi unité
2 votes
Thanks 2
loulou1803
Merci j'ai très bien compris je verrai demain si la réponse est juste mais je pense que oui merci ♥
loulou1803
Merci c'est très gentil de ta part
marco31
Verified answer
Bonjour
4h 15mm⇒ 15/60=0,25⇒4,25
Vitesse moyenne 336/4,25=79,06 km/h
0 votes
Thanks 0
Nourhedhili
Sa va
loulou1803
Merci :)
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Verified answer
Bonjour4 h 15 min = 4 *60 + 15 = 255 minutes
en 255 min , il fait 336 km
en 60 min = ( 60 * 336) / 255 = 79 km / h arrondi unité
Verified answer
Bonjour4h 15mm⇒ 15/60=0,25⇒4,25
Vitesse moyenne 336/4,25=79,06 km/h