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