راهبرد حل مساله سادهتر

12:39

3:28

2:27

3:16

9:14

15:11

2:58

17:49

28:25

20:54

4:54

10:22

23:19

2:14

9:24

11:13

10:57

27:50

3:06

12:29

1:50

1:30

1:36

9:37

20:21

3:26

7:56

11:59

2:24

2:48

2:20

15:28

18:28

9:04

2:08

6:10

4:42

6:59

2:48

11:54