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