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