1)Compléte les égalité suivantes: a=3,5=...............h+............×60min
=...............h...............min

b=7,2h=............. h+.........×60 min
=............. h..........min

c=9,5min=..........min+..........×60s
=...........min...........s

2)9,5min= s

a=2,75h=...................min

b=3,4min=...................s

c=13,8h=...................min

d=0,6min=...................s

3)Relie les durèes qui sont ègales:

2,5h• •2h27min

2,25h• •132min

2,2h• •2h15min

2,45h• •129min

2,15h• •150min

Bonsoir vous pouvez m'aider
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