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