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