صفحه 135 و 136 کتاب ریاضی اول

11:17

4:50

5:09

10:28

16:04

27:56

8:44

15:38

15:07

20:12

16:56

8:28

2:25

59:15

3:59

8:02

4:26

4:45

4:53

3:50

8:39

5:43

8:53

3:24

10:00

10:21

9:24

11:21

19:45

37:48

5:01

4:44

12:44

12:10

9:40

24:16

9:16

12:12