evaluating log expressions without calculator

2:04

13:58

10:39

6:30

4:01

8:20

2:38

7:43

10:52

1:59

9:31

54:39

5:23

4:51

5:59

5:01

46:10

6:01

12:03

7:35

9:01

58:12

6:47

9:14

2:33

17:43

8:23

7:07

6:15

8:08

4:39

5:15

4:25

6:27

13:08

1:12:23

17:59

کوتاه

7:42

2:59