3 digit addition iwth regrouping

5:06

7:58

1:32

12:01

4:08

6:29

2:32

5:16

3:19

2:16

6:31

کوتاه

3:52

5:48

1:57

1:57

6:42

6:42

6:04

5:34

28:20

21:37

4:18

1:53

1:09

1:09

7:33

17:06

17:06

2:17

11:10

11:07

2:01

15:14

1:35

2:26

10:44

3:53

کوتاه

8:09