bjr
1 h = 60 min ; 1 min = 60 s
1)
1 8 5 4 |_60__
0 5 4 3 0 (h)
5 4 (min)
on divise 1854 par 60, le quotient est 30, le reste 54
1854 = 60 x 30 + 54
1854 min = 30 h 54 min
2)
on divise 800 par 60
800 = 60 x 13 + 20
800s = 13 min 20 s
3)
7 0 0 0 |_60__
1 0 0 116 (min)
4 0 0
4 0 (s)
7000 = 60 x 116 + 40
on divise 116 par 60
1 1 6 |_60_
5 6 (min) 1 (h)
116 = 60 x 21 + 56
7000s = 116min 40s = 1 h 56 min 40 s
4)
5 2 0 0 0 |_60__
4 0 0 866 (min) 8 6 6 |_60_
4 0 0 2 6 6 14 (h)
4 0 (s) 2 6 (min)
52000 s = 866 min 40 s = 14 h 26 min 40 s
