1.
20 – 7 =
13
1
2
16
|
2.
15 – 10 =
10
5
1
4
|
3.
6 – 0 =
3
2
6
1
|
4.
8 – 3 =
5
8
10
2
|
5.
6 – 5 =
1
6
4
2
|
6.
20 – 8 =
1
12
7
9
|
7.
2 – 0 =
4
2
1
6
|
8.
13 – 2 =
3
11
9
4
|
9.
7 – 0 =
5
9
2
7
|
10.
14 – 4 =
10
5
4
12
|
11.
16 – 4 =
6
14
12
2
|
12.
5 – 2 =
1
7
3
4
|
13.
5 – 3 =
7
5
2
6
|
14.
17 – 0 =
9
18
17
21
|
15.
17 – 7 =
6
15
10
1
|
16.
8 – 4 =
3
4
5
8
|
17.
16 – 0 =
9
16
6
18
|
18.
2 – 2 =
3
0
2
5
|
19.
20 – 8 =
14
6
12
8
|
20.
3 – 1 =
2
3
6
7
|
1.
20 – 7 =
13
1
2
16
|
2.
15 – 10 =
10
5
1
4
|
3.
6 – 0 =
3
2
6
1
|
4.
8 – 3 =
5
8
10
2
|
5.
6 – 5 =
1
6
4
2
|
6.
20 – 8 =
1
12
7
9
|
7.
2 – 0 =
4
2
1
6
|
8.
13 – 2 =
3
11
9
4
|
9.
7 – 0 =
5
9
2
7
|
10.
14 – 4 =
10
5
4
12
|
11.
16 – 4 =
6
14
12
2
|
12.
5 – 2 =
1
7
3
4
|
13.
5 – 3 =
7
5
2
6
|
14.
17 – 0 =
9
18
17
21
|
15.
17 – 7 =
6
15
10
1
|
16.
8 – 4 =
3
4
5
8
|
17.
16 – 0 =
9
16
6
18
|
18.
2 – 2 =
3
0
2
5
|
19.
20 – 8 =
14
6
12
8
|
20.
3 – 1 =
2
3
6
7
|