Réponses

2014-06-10T18:02:23+02:00
Exo 36 :

1)
d = v x t
d = 85 x 3
d = 255 km

2)
d = v x t
d =65 x 1,5
d = 97,5 km

3)
d = v x t
d = 70 x 12,2
d = 84 km

exo 38 :

1)
v = d / t
v = 9,5 / 2
v = 4,75 km/h

2)
v = d / t
v = 14 / 3,5
v = 4 km/h

3) 
v = d / t
v = 9 / 1,8
v = 5 km/h