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