1.
50 – 4 =
14
4
10
46
|
2.
49 – 23 =
8
29
23
26
|
3.
4 – 2 =
3
7
2
5
|
4.
7 – 6 =
3
4
2
1
|
5.
6 – 2 =
4
3
9
7
|
6.
28 – 20 =
7
8
10
12
|
7.
21 – 1 =
12
14
7
20
|
8.
12 – 4 =
13
3
8
9
|
9.
2 – 2 =
2
1
0
5
|
10.
37 – 4 =
13
31
33
32
|
11.
2 – 0 =
2
5
3
6
|
12.
17 – 7 =
6
10
7
13
|
13.
50 – 22 =
28
18
16
12
|
14.
16 – 11 =
7
1
2
5
|
15.
2 – 2 =
3
5
0
4
|
16.
32 – 26 =
6
8
9
7
|
17.
16 – 11 =
2
4
5
10
|
18.
25 – 6 =
13
12
14
19
|
19.
28 – 17 =
12
3
9
11
|
20.
11 – 0 =
11
1
2
9
|
1.
50 – 4 =
14
4
10
46
|
2.
49 – 23 =
8
29
23
26
|
3.
4 – 2 =
3
7
2
5
|
4.
7 – 6 =
3
4
2
1
|
5.
6 – 2 =
4
3
9
7
|
6.
28 – 20 =
7
8
10
12
|
7.
21 – 1 =
12
14
7
20
|
8.
12 – 4 =
13
3
8
9
|
9.
2 – 2 =
2
1
0
5
|
10.
37 – 4 =
13
31
33
32
|
11.
2 – 0 =
2
5
3
6
|
12.
17 – 7 =
6
10
7
13
|
13.
50 – 22 =
28
18
16
12
|
14.
16 – 11 =
7
1
2
5
|
15.
2 – 2 =
3
5
0
4
|
16.
32 – 26 =
6
8
9
7
|
17.
16 – 11 =
2
4
5
10
|
18.
25 – 6 =
13
12
14
19
|
19.
28 – 17 =
12
3
9
11
|
20.
11 – 0 =
11
1
2
9
|