exercise 113 q no 7 class 9

9:53

3:55

4:27

6:38

6:14

9:47

9:09

3:04

3:40

4:10

4:20

7:36

6:12

13:29

17:20

13:57

5:37

3:48

6:36

2:05

7:33

2:57

2:00

3:02

4:31

4:42

16:25

3:09

8:27

6:03

36:44

13:43

59:19

17:51

14:33

16:00

8:35

16:50

33:27

7:03

12:51

2:46

16:38

2:03

14:55

4:57

18:26

31:16

24:32

8:31

4:31

4:09

4:26

5:46

6:47

32:02

30:52

11:11

2:55

18:00