تدریس معادله پایه هفتم

3:21

6:52

8:40

7:24

3:57

3:44

5:37

30:05

32:39

17:55

30:18

11:55

19:25

14:50

4:31

8:08

24:41

7:59

5:12

6:03

3:42

23:48

6:51

5:41

11:20

2:33

2:27

5:25

3:20

3:02

2:33

5:00

6:52

3:42

2:57

22:02

18:30

10:43

27:45

1:41