|
1.
9 – 3 =
7
6
|
2.
10 – 4 =
11
6
|
3.
19 – 8 =
8
11
|
4.
7 – 0 =
7
5
|
|
5.
18 – 0 =
22
18
|
6.
12 – 4 =
8
5
|
7.
17 – 2 =
18
15
|
8.
15 – 13 =
2
5
|
|
9.
1 – 1 =
5
0
|
10.
10 – 3 =
7
3
|
11.
14 – 13 =
1
4
|
12.
19 – 11 =
6
8
|
|
13.
7 – 7 =
2
0
|
14.
4 – 0 =
2
4
|
15.
9 – 2 =
7
8
|
16.
17 – 8 =
14
9
|
|
17.
13 – 8 =
5
6
|
18.
17 – 1 =
10
16
|
19.
11 – 6 =
2
5
|
20.
3 – 0 =
3
6
|
|
1.
9 – 3 =
7
6
|
2.
10 – 4 =
11
6
|
3.
19 – 8 =
8
11
|
4.
7 – 0 =
7
5
|
|
5.
18 – 0 =
22
18
|
6.
12 – 4 =
8
5
|
7.
17 – 2 =
18
15
|
8.
15 – 13 =
2
5
|
|
9.
1 – 1 =
5
0
|
10.
10 – 3 =
7
3
|
11.
14 – 13 =
1
4
|
12.
19 – 11 =
6
8
|
|
13.
7 – 7 =
2
0
|
14.
4 – 0 =
2
4
|
15.
9 – 2 =
7
8
|
16.
17 – 8 =
14
9
|
|
17.
13 – 8 =
5
6
|
18.
17 – 1 =
10
16
|
19.
11 – 6 =
2
5
|
20.
3 – 0 =
3
6
|