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