درس 4 فصل 1 ریاضی هشتم

14:03

7:20

6:29

21:20

33:36

23:29

18:37

34:01

14:42

47:12

5:29

50:32

19:19

9:48

7:22

9:38

3:06

1:17:43

5:16

23:40

50:20

25:44

19:15

5:50

6:15

7:13

5:48

11:27

14:39

33:47

6:05

17:37

16:35

16:13

17:23

3:08

2:54

1:24

16:35

11:29