bonjour
2 400 min = 40 * 60 = 40 h
3 600 s = 1 h
3 h = 3 * 3 600 = 10 800 s
360 s = 6 * 60 = 6 min
1 920 s = 32 * 60 = 32 min
90 min = 90 * 60 = 5400 s
3 h 30 min = 3 * 3600 + 30 *60 = 12 600 s
5 874 s = 1 * 3 600 + 2 274
2 274 = 37 * 60 + 54
= 1 h 37 min 54 s
10 340 s = 2 * 3 600 + 3 140
3 140 = 52 * 60 + 20
= 2 h 52 min 20 x
match de foot = ≅ 2 h
émission TV ≅ 1 h
coups de tonnerre ≅ quelques s
bordeaux paris ≅ 6 h
publicité ≅ 20 s
repas ≅ 45 min
