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