|
1.
15 – 3 =
12
11
15
4
|
2.
10 – 1 =
2
4
3
9
|
3.
11 – 1 =
15
12
9
10
|
4.
28 – 12 =
4
14
16
15
|
|
5.
1 – 0 =
3
6
4
1
|
6.
18 – 15 =
1
5
3
7
|
7.
39 – 1 =
38
9
32
15
|
8.
41 – 21 =
5
10
20
1
|
|
9.
5 – 3 =
5
2
6
1
|
10.
17 – 6 =
16
12
11
2
|
11.
28 – 7 =
16
13
21
20
|
12.
31 – 3 =
2
22
14
28
|
|
13.
10 – 10 =
1
3
4
0
|
14.
16 – 8 =
10
2
8
7
|
15.
2 – 2 =
1
0
5
4
|
16.
11 – 3 =
13
12
1
8
|
|
17.
31 – 26 =
5
9
7
2
|
18.
30 – 2 =
29
28
23
7
|
19.
42 – 0 =
21
28
36
42
|
20.
22 – 20 =
2
1
7
4
|
|
1.
15 – 3 =
12
11
15
4
|
2.
10 – 1 =
2
4
3
9
|
3.
11 – 1 =
15
12
9
10
|
4.
28 – 12 =
4
14
16
15
|
|
5.
1 – 0 =
3
6
4
1
|
6.
18 – 15 =
1
5
3
7
|
7.
39 – 1 =
38
9
32
15
|
8.
41 – 21 =
5
10
20
1
|
|
9.
5 – 3 =
5
2
6
1
|
10.
17 – 6 =
16
12
11
2
|
11.
28 – 7 =
16
13
21
20
|
12.
31 – 3 =
2
22
14
28
|
|
13.
10 – 10 =
1
3
4
0
|
14.
16 – 8 =
10
2
8
7
|
15.
2 – 2 =
1
0
5
4
|
16.
11 – 3 =
13
12
1
8
|
|
17.
31 – 26 =
5
9
7
2
|
18.
30 – 2 =
29
28
23
7
|
19.
42 – 0 =
21
28
36
42
|
20.
22 – 20 =
2
1
7
4
|