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