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Sagot :

Réponse:

900j = 0.25. Wh

180Kw =648000 KJ

3.8KW =3000 WH

48Wh =172800 J

coucou alors :

900j=0,25 Wh

180kw=10800 kJ

3,8kW=3800 Wh

48 Wh=172800J

voilà

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