how to evaluate composition of functions

4:17

کوتاه

26:37

26:37

9:49

9:55

10:30

9:35

8:42

4:47

4:07

7:24

کوتاه

2:52

3:20

8:33

8:27

9:54

11:01

6:39

4:30

7:00

26:00

8:24

11:40

9:24

3:45

8:42

3:58

9:25

5:02

5:45

7:42

4:45

4:21

کوتاه

11:30

3:11

10:11

6:00