تشکیل معادله با بیان مس

5:15

18:46

14:50

11:41

6:12

3:11

5:25

9:27

1:31

4:21

17:18

3:31

5:24

20:19

16:30

48:48

29:54

25:21

1:11:28

8:32

2:56

10:52

6:01

2:02:42

2:04:26

11:39

43:19

4:38

7:52

32:37

5:03

4:51

6:48

33:29

13:39

3:55

10:19

48:16

5:21

26:03