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