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