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