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