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