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