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