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