Răspuns :
30×60=1800 minute
32×60=1920 minute
20×60=1200 minute
|_____|24 ore
|_____|_+6=30 ore
|_____|__+8=32 ore
|___|-4| 20 ore
32×60=1920 minute
20×60=1200 minute
|_____|24 ore
|_____|_+6=30 ore
|_____|__+8=32 ore
|___|-4| 20 ore