most imp questions of chapter 5

16:01

52:57

9:21

31:00

1:44

2:37

14:11

کوتاه

12:38

5:52

5:57

5:57

9:51

10:36

8:27

7:10

6:20

13:49

9:37

13:36

10:22

12:06

31:53

10:02

8:34

4:45

10:02

2:11

13:03

5:01

10:38

9:11

33:59

6:32

17:57

19:19

5:05

1:27

7:05

11:30