Bonjour, exercise 10
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Réponse:
3h08mn=188mn
40km/h=11,111m/s
3,3km/h=0,917m/s
100km/h=27,778m/s
36km/h=10m/s
40m/s=144km/h
3,3m/s=11,88km/h
100m/s=360km/h
36m/s=129,6km/h