ncert exercise solution

9:56

18:19

4:19

10:09

23:47

30:52

5:55

کوتاه

کوتاه

20:16

1:50

6:40

39:10

2:17

38:03

1:03

1:24

3:26

14:05

5:02

9:35

3:31

11:18

11:47

11:02

10:13

15:45

4:22

3:43