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