|
1.
19 – 1 =
21
18
11
12
|
2.
14 – 0 =
16
7
14
15
|
3.
2 – 2 =
5
4
2
0
|
4.
10 – 0 =
10
15
11
8
|
|
5.
4 – 0 =
4
2
5
9
|
6.
20 – 18 =
3
2
1
4
|
7.
16 – 1 =
10
12
15
11
|
8.
10 – 5 =
5
2
9
6
|
|
9.
10 – 9 =
1
6
5
3
|
10.
4 – 1 =
3
5
2
7
|
11.
5 – 3 =
1
2
5
3
|
12.
7 – 3 =
8
3
5
4
|
|
13.
6 – 1 =
2
10
3
5
|
14.
20 – 15 =
5
10
9
6
|
15.
12 – 2 =
1
12
2
10
|
16.
13 – 3 =
10
3
5
7
|
|
17.
17 – 3 =
17
14
2
11
|
18.
6 – 4 =
6
2
7
3
|
19.
10 – 8 =
3
5
2
4
|
20.
8 – 0 =
8
9
6
7
|
|
1.
19 – 1 =
21
18
11
12
|
2.
14 – 0 =
16
7
14
15
|
3.
2 – 2 =
5
4
2
0
|
4.
10 – 0 =
10
15
11
8
|
|
5.
4 – 0 =
4
2
5
9
|
6.
20 – 18 =
3
2
1
4
|
7.
16 – 1 =
10
12
15
11
|
8.
10 – 5 =
5
2
9
6
|
|
9.
10 – 9 =
1
6
5
3
|
10.
4 – 1 =
3
5
2
7
|
11.
5 – 3 =
1
2
5
3
|
12.
7 – 3 =
8
3
5
4
|
|
13.
6 – 1 =
2
10
3
5
|
14.
20 – 15 =
5
10
9
6
|
15.
12 – 2 =
1
12
2
10
|
16.
13 – 3 =
10
3
5
7
|
|
17.
17 – 3 =
17
14
2
11
|
18.
6 – 4 =
6
2
7
3
|
19.
10 – 8 =
3
5
2
4
|
20.
8 – 0 =
8
9
6
7
|