find the value of k

4:30

کوتاه

4:21

3:18

کوتاه

4:31

4:32

4:46

4:42

2:46

17:38

3:14

14:21

3:19

5:43

4:02

9:01

4:12

2:37

3:48

4:13

14:44

3:57

3:41

4:08

2:53

3:06

4:33

7:28

3:03

3:45

8:53

5:42

5:30

17:51

10:33

6:56

3:30

2:03

7:11