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