Parla agli studenti

1 min 15 secs

16 mins 46 secs

22 mins 24 secs

28 mins 9 secs

18 mins 57 secs

1 hour 52 mins 10 secs

20 mins 10 secs

2 mins 21 secs

40 mins 14 secs

16 mins 52 secs

17 mins 9 secs

2 hours 11 mins 53 secs

23 mins 14 secs

4 mins 4 secs

13 mins 12 secs

32 secs

3 mins 18 secs

7 mins 7 secs

2 mins 19 secs

26 mins 46 secs

14 mins 11 secs

5 mins 32 secs

17 secs

10 mins 49 secs

4 mins 1 sec

4 mins 51 secs

2 mins 44 secs

28 mins 1 sec

2 hours 8 mins 48 secs

1 min 32 secs

40 mins 2 secs

44 mins 48 secs

14 mins 45 secs

8 mins 39 secs

22 mins 49 secs

5 mins 51 secs

18 mins 20 secs

2 mins 16 secs

11 mins 34 secs

17 mins 16 secs