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