math part

8:54

1:08

37:49

11:44

6:52

2:10

5:56

2:00

2:05

6:57

11:01

11:46

7:01

4:15

10:49

4:39

10:52

10:12

7:38

5:51

7:32

7:47

6:29

10:22

7:30

12:38

5:32

9:10

6:50

12:05

12:20

10:37

6:09

9:57

12:13

11:31

10:14

12:44

6:04

7:41