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