indefinite integration class 12

1:26:43

3:01:49

4:19:24

3:55:24

4:22:34

1:25:49

1:05:01

5:00:00

47:01

1:15:15

2:30:01

52:51

1:40:20

1:35:24

2:01:43

3:38:07

10:47

12:54

9:07:01

3:00:15

10:04:24

1:00:08

1:02:58

1:09:23

1:30:45

1:57:50

4:18:18

1:30:55

2:45:00

1:06:41

58:12

4:07:20

1:39:36

1:08:17

49:54

29:00

1:51:20

45:23

1:16:21

1:09:20

1:03:17

1:11:06

6:44:50

53:16

34:55

27:58

2:15:00

1:23:25

1:03:45

2:17:57

1:57:43

48:06

4:23:09

1:13:25

1:45:26

1:06:08

57:09

39:58

51:17

36:20