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