تدریس فصل اول علوم نهم

27:20

4:31

12:49

30:33

4:43

20:08

29:12

45:38

22:34

18:21

4:27

10:09

29:55

1:03:57

22:50

7:51

5:11

8:38

18:49

10:38

22:51

13:25

7:24

35:24

5:25

5:46

4:10

34:32

19:01

10:26

12:44

5:22

35:32

11:02

9:41

7:26

24:01

16:22

19:27

25:47