تدریس آلکان ها

3:43

13:49

57:17

58:42

9:47

کوتاه

29:10

1:05:42

28:40

22:00

14:05

33:11

2:41

36:21

8:37

12:48

12:28

19:14

2:41

23:39

8:13

23:38

1:12:44

8:33

43:52

8:16

31:17

24:55

37:50

39:07

27:45

30:09

28:45

28:55

10:54

16:50

2:41

15:07

5:58

17:55