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