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