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