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