find the gfc for 20 and 24

4:11

9:33

2:17

36:37

1:56

2:41

1:49

1:58

10:45

3:55

1:56

1:56

3:41

کوتاه

6:38

2:48

10:47

2:27

10:02

7:46

2:31

16:03

17:31

کوتاه

کوتاه

10:26

4:42

3:23

8:32

2:47

32:51

3:10

8:32

4:36

5:09

33:03

7:01

3:07

5:16

3:23