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