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