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