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convertir 1) 2h5 mn + 47 mn 120 s = 2) 9h10 mn 15 s + 7h30 5 s =

Sagot :

1) 2h5 mn + 47 mn 120 s 

  =2h 52 min 120 sec

  =2h 54 min

  =2,9 h

 

2) 9h10 mn 15 s + 7h30 5 s

  =9h 10 min 15 sec + 7h 30 min 5 sec

  =16h 40 min 20 sec

  =16,67222 h