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