addition of two digits numbers for class 2

5. T O
2 1
+ 3 5
5 6
T O
6 4
+ 1 4
7 8 T O
4 8
+ 5 0
9 8
T O
8 4
+ 1 2
9 6
T O
3 9
+ 5 0
8 9

6. T O
5 5
+ 3 2
T O
3 3
+ 4 4
T O
1 8
+ 7 1
T O
5 7
+ 1 2
T O
4 4
+ 5 4

11. T O
1
6 2
+ 2 8
9 0
H T O
1
7 9
+ 4 6
1 2 5
H T O
1
6 5
+ 4 2
1 0 7
T O
1
4 9
+ 3 4
8 3
T O
1
2 8
+ 5 8
8 6

12. T O
3 2
+ 2 9
H T O
7 5
+ 3 6
H T O
8 6
+ 5 7
T O
5 8
+ 2 3
T O
4 7
+ 4 5