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