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