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