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