1.
3 + 1 =
4
1
|
2.
1 + 6 =
7
1
|
3.
9 + 3 =
12
1
|
4.
1 + 11 =
1
12
|
5.
12 + 0 =
1
12
|
6.
4 – 0 =
4
1
|
7.
10 – 3 =
7
1
|
8.
2 + 1 =
1
3
|
9.
2 – 2 =
0
2
|
10.
8 + 0 =
8
1
|
11.
6 – 1 =
5
1
|
12.
2 + 5 =
1
7
|
13.
6 – 1 =
1
5
|
14.
7 – 2 =
5
1
|
15.
6 + 5 =
1
11
|
16.
7 + 4 =
11
1
|
17.
6 + 0 =
1
6
|
18.
11 + 0 =
11
1
|
19.
6 – 5 =
1
2
|
20.
1 + 5 =
1
6
|
1.
3 + 1 =
4
1
|
2.
1 + 6 =
7
1
|
3.
9 + 3 =
12
1
|
4.
1 + 11 =
1
12
|
5.
12 + 0 =
1
12
|
6.
4 – 0 =
4
1
|
7.
10 – 3 =
7
1
|
8.
2 + 1 =
1
3
|
9.
2 – 2 =
0
2
|
10.
8 + 0 =
8
1
|
11.
6 – 1 =
5
1
|
12.
2 + 5 =
1
7
|
13.
6 – 1 =
1
5
|
14.
7 – 2 =
5
1
|
15.
6 + 5 =
1
11
|
16.
7 + 4 =
11
1
|
17.
6 + 0 =
1
6
|
18.
11 + 0 =
11
1
|
19.
6 – 5 =
1
2
|
20.
1 + 5 =
1
6
|