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