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