1.
4 – 3 =
5
1
2
4
|
2.
2 – 2 =
4
5
3
0
|
3.
15 – 14 =
1
2
3
4
|
4.
15 – 10 =
3
5
2
8
|
5.
12 – 7 =
9
2
5
10
|
6.
11 – 4 =
1
4
7
9
|
7.
18 – 11 =
11
7
2
12
|
8.
18 – 12 =
6
10
8
9
|
9.
12 – 11 =
2
4
6
1
|
10.
19 – 14 =
8
3
10
5
|
11.
3 – 2 =
2
3
1
5
|
12.
5 – 3 =
5
4
1
2
|
13.
5 – 4 =
6
4
1
3
|
14.
9 – 3 =
4
6
8
1
|
15.
8 – 2 =
7
4
1
6
|
16.
2 – 1 =
3
2
6
1
|
17.
13 – 10 =
2
4
7
3
|
18.
20 – 14 =
6
11
8
10
|
19.
19 – 2 =
17
22
20
11
|
20.
12 – 10 =
7
1
2
5
|
1.
4 – 3 =
5
1
2
4
|
2.
2 – 2 =
4
5
3
0
|
3.
15 – 14 =
1
2
3
4
|
4.
15 – 10 =
3
5
2
8
|
5.
12 – 7 =
9
2
5
10
|
6.
11 – 4 =
1
4
7
9
|
7.
18 – 11 =
11
7
2
12
|
8.
18 – 12 =
6
10
8
9
|
9.
12 – 11 =
2
4
6
1
|
10.
19 – 14 =
8
3
10
5
|
11.
3 – 2 =
2
3
1
5
|
12.
5 – 3 =
5
4
1
2
|
13.
5 – 4 =
6
4
1
3
|
14.
9 – 3 =
4
6
8
1
|
15.
8 – 2 =
7
4
1
6
|
16.
2 – 1 =
3
2
6
1
|
17.
13 – 10 =
2
4
7
3
|
18.
20 – 14 =
6
11
8
10
|
19.
19 – 2 =
17
22
20
11
|
20.
12 – 10 =
7
1
2
5
|