Svp aidez moi mercii

bonjour,

28h : 24h + 4h => 1 jour et 4h

12h 45m = 12h 45mn =

12*60 + 45 =720+ 45  => 765mn

7200s = 7200/60 =>120mn

120/60 => 2h

3005 mn  

3005/60 =>50mn

et

50*60 = 3000

3 005 -3000 => 5 mn

50 h =>  24h +24 h + 2 h

=> 2j   2h et 5mn