9th science chapter 1 exercise

4:56

6:22

1:29

1:59

2:23

کوتاه

1:08

59:11

10:32

3:28

5:12

9:30

34:28

15:22

7:37

9:01

9:59

6:51

کوتاه

کوتاه

2:31

3:14

1:18

28:08

4:02

13:55

16:44

8:10

4:17

کوتاه

23:02

11:09

5:23

4:46

5:38

6:36

1:45

13:44

3:57

3:16