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