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