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