consistency in system of equations

5:46

39:06

39:13

3:46

4:31

30:05

12:23

5:21

14:51

3:18

12:53

8:02

8:58

4:31

29:51

کوتاه

12:27

11:49

12:17

5:59

9:04

3:11

2:18

3:32

1:56

4:34

9:33

3:16

2:11

کوتاه

3:27

2:57

24:24

5:55

1:03:51

35:56

15:57

7:00

4:34

6:16