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