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