پایه چهارم مبحث کسر

20:18

13:35

14:24

7:45

35:53

13:14

8:43

5:10

6:02

7:13

17:01

7:13

3:22

9:27

3:26

2:15

9:48

23:52

7:58

2:06

8:00

12:29

8:28

7:36

7:24

2:23

3:12

1:15

16:25

12:25

8:04

11:01

29:31

6:49

5:15

8:32

7:48

15:45

17:38

43:09