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