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