rayopticsclass12

3:02:27

3:15:10

38:44

2:29:34

43:46

10:04:36

3:22:46

2:40:31

2:54:35

2:43:07

3:23:28

2:29:25

1:14:37

1:25:02

27:07

1:03:47

8:20:42

1:03:17

29:06

27:55

1:09:35

48:13

1:32:27

22:11

35:24

1:45:08

22:54

54:23

4:22

48:14

19:35

4:14:27

51:14

1:17:34

5:47:33

1:11:49

32:15

1:10:52

1:51:21

1:30:45

3:45:23

2:14:46

56:56

1:09:20

23:22

53:34

1:08:22

40:28

1:05:08

1:17:25

59:25

4:08:10

1:25:48

46:17

1:10

1:15:34

1:00:07

1:46:11

35:26

3:54:24