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