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