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