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