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