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