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