1 zi are 24 ore , si o ora are 60 minute
24 ore×60min=1440 minute sunt intr'o zi
4 ore× 60 min=240 minute in 4 ore
1440 min+240min=1680 min
Răspuns:
o zi =24 ore
o ora=60 minute
24·60=1440 minute intr-o zi
4·60=240 minute in 4 ore
1440+240=1680 minute intr-o zi si 4 ore
