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