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