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