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