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