exercise 83 class 10 exemplar

1:00:25

2:06:02

49:44

1:31:05

5:29

1:25:55

2:53:02

49:32

1:59:07

43:02

2:21:54

3:11:04

3:50:46

4:18:35

1:27:15

2:19:02

2:53:34

1:51:57

1:27:50

1:28:59

1:28:31

11:04

1:24:30

5:56

2:49:07

8:48:56

38:40

6:50

13:52

1:11:04

2:02:09

1:18:50

10:04

3:08:43

1:56:16

3:08:27

35:18

7:44

2:22:44

4:09:49

8:30

7:48:34

7:39

39:04

6:44:40

1:14:10

10:42

1:00:50

4:59:58

19:58

2:47:05

48:00

29:27

2:02:37

18:10

2:30:06

36:40

1:56:59

24:32

1:05:53