1 + 3 = 4
3 + 1 = __
_______
4
3
1
|
7 + 4 = 11
__ + 7 = 11
_______
7
4
11
|
3 + 2 = 5
__ + 3 = 5
_______
2
3
5
|
1 + 2 = 3
2 + __ = 3
_______
1
2
3
|
1 + 7 = 8
7 + __ = 8
_______
8
7
1
|
4 + 5 = 9
5 + __ = 9
_______
9
4
5
|
0 + 5 = 5
5 + 0 = __
_______
10
5
0
|
5 + 2 = 7
__ + 5 = 7
_______
2
5
7
|
2 + 8 = 10
8 + __ = 10
_______
7
2
10
|
7 + 6 = 13
6 + __ = 13
_______
7
6
13
|
0 + 6 = 6
6 + __ = 6
_______
5
6
0
|
5 + 8 = 13
8 + 5 = __
_______
13
5
8
|
4 + 7 = 11
7 + 4 = __
_______
7
11
10
|
5 + 8 = 13
8 + 5 = __
_______
8
5
13
|
8 + 0 = 8
0 + __ = 8
_______
1
8
0
|
4 + 8 = 12
__ + 4 = 12
_______
4
8
12
|
3 + 1 = 4
__ + 3 = 4
_______
3
4
1
|
8 + 4 = 12
__ + 8 = 12
_______
8
12
4
|
9 + 8 = 17
8 + __ = 17
_______
17
9
8
|
4 + 1 = 5
1 + __ = 5
_______
4
1
5
|
5 + 6 = 11
6 + __ = 11
_______
6
11
5
|
5 + 9 = 14
__ + 5 = 14
_______
5
9
14
|
0 + 4 = 4
__ + 0 = 4
_______
3
4
0
|
3 + 8 = 11
8 + 3 = __
_______
3
11
8
|
0 + 5 = 5
5 + 0 = __
_______
5
0
4
|
6 + 2 = 8
2 + 6 = __
_______
6
2
8
|
5 + 2 = 7
__ + 5 = 7
_______
7
2
5
|
6 + 8 = 14
8 + __ = 14
_______
14
8
6
|