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