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