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