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