hypotonic solution for class 9

7:21

6:29

9:31

2:19

2:23

7:46

25:17

1:49

11:55

7:44

3:28

13:11

17:38

8:13

4:08

11:38

2:52

16:26

20:05

5:38

4:04

7:36

29:59

2:11:11

12:10

4:36

9:14

3:00

4:28

00:40

36:25

16:15

7:55

12:57

3:48

00:16

6:51

9:20

2:44

17:49

1:33

1:15:49

2:38

8:20

9:45

10:51

7:49

4:07

2:20

3:36

4:24

25:09

00:39

3:21

14:21

12:54

4:32

12:48

3:38

7:51