تدریس صفحه ۷۸ ریاضی شش

15:35

12:35

26:05

10:16

20:38

9:47

7:03

27:07

12:20

17:35

10:50

15:39

21:50

4:50

35:52

6:11

29:37

7:03

7:41

11:53

28:23

18:54

9:02

2:07

5:12

14:06

8:28

4:47

14:35

18:46

8:24

12:14

8:35

22:41

7:00

12:47

12:07

26:31

27:33