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