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