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