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