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