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