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Sagot :

Bonjour :)
90 km = 90 000 m/s
120 km = 120 000 m/min
10 m = 0,01 km
32 kWh = 32 000 Wmin
150 Wh = 0,150 kWmin
135 Wmin = 0,135 kWmin
30 kg/m3 = 30 000 g/dm3
2 500 cg/m3 = 25g/m3
15 t/km3 = 15 000 kg/m3

Voilà voilà ^^

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