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