|
1.
20 – 15 =
5
10
8
7
|
2.
5 – 0 =
4
1
2
5
|
3.
5 – 1 =
3
4
8
5
|
4.
9 – 0 =
1
9
14
8
|
|
5.
5 – 3 =
4
6
2
7
|
6.
13 – 11 =
3
2
5
6
|
7.
3 – 0 =
5
2
8
3
|
8.
7 – 3 =
8
5
4
3
|
|
9.
11 – 8 =
2
4
6
3
|
10.
18 – 1 =
6
16
17
9
|
11.
1 – 0 =
1
2
6
3
|
12.
18 – 18 =
2
4
0
3
|
|
13.
9 – 4 =
10
5
8
7
|
14.
17 – 7 =
10
6
3
5
|
15.
17 – 4 =
9
12
1
13
|
16.
5 – 5 =
2
4
5
0
|
|
17.
1 – 1 =
4
1
2
0
|
18.
19 – 16 =
2
5
8
3
|
19.
12 – 7 =
5
9
10
1
|
20.
18 – 0 =
21
19
18
11
|
|
1.
20 – 15 =
5
10
8
7
|
2.
5 – 0 =
4
1
2
5
|
3.
5 – 1 =
3
4
8
5
|
4.
9 – 0 =
1
9
14
8
|
|
5.
5 – 3 =
4
6
2
7
|
6.
13 – 11 =
3
2
5
6
|
7.
3 – 0 =
5
2
8
3
|
8.
7 – 3 =
8
5
4
3
|
|
9.
11 – 8 =
2
4
6
3
|
10.
18 – 1 =
6
16
17
9
|
11.
1 – 0 =
1
2
6
3
|
12.
18 – 18 =
2
4
0
3
|
|
13.
9 – 4 =
10
5
8
7
|
14.
17 – 7 =
10
6
3
5
|
15.
17 – 4 =
9
12
1
13
|
16.
5 – 5 =
2
4
5
0
|
|
17.
1 – 1 =
4
1
2
0
|
18.
19 – 16 =
2
5
8
3
|
19.
12 – 7 =
5
9
10
1
|
20.
18 – 0 =
21
19
18
11
|