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