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