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