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