Réponses

2014-03-07T12:05:40+01:00
Bonjour a)1,5h. b)2,20h c)3,60h d)0,80h voila
2014-03-07T12:51:46+01:00
Convertir en heure:
a) 1h30min     b)2h12min

c)3h36min      d)48min


1h30 minutes = 1h + 30/60 d'heure soit 1.5 h
2h12 minutes = 2.2h
3h36 minutes = 3.6 h
48 minutes = 0.8 h