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