1.
40 – 21 =
7
8
19
12
|
2.
24 – 15 =
9
12
10
5
|
3.
12 – 5 =
12
7
5
2
|
4.
43 – 4 =
34
39
44
13
|
5.
? – 23 = 7
31
26
18
30
|
6.
1 – 1 =
4
5
2
0
|
7.
43 – 19 =
27
24
1
7
|
8.
48 – 7 =
6
41
12
42
|
9.
? – 1 = 22
10
7
3
23
|
10.
? – 14 = 30
15
6
1
44
|
11.
50 – 31 =
24
19
21
10
|
12.
49 – 14 =
35
17
34
16
|
13.
41 – 23 =
16
18
23
14
|
14.
41 – 13 =
7
32
28
18
|
15.
23 – 9 =
11
12
14
2
|
16.
? – 9 = 19
2
1
10
28
|
17.
19 – 1 =
11
5
18
9
|
18.
? – 10 = 3
17
15
14
13
|
19.
? – 0 = 30
30
20
11
1
|
20.
? – 38 = 9
47
15
43
7
|
1.
40 – 21 =
7
8
19
12
|
2.
24 – 15 =
9
12
10
5
|
3.
12 – 5 =
12
7
5
2
|
4.
43 – 4 =
34
39
44
13
|
5.
? – 23 = 7
31
26
18
30
|
6.
1 – 1 =
4
5
2
0
|
7.
43 – 19 =
27
24
1
7
|
8.
48 – 7 =
6
41
12
42
|
9.
? – 1 = 22
10
7
3
23
|
10.
? – 14 = 30
15
6
1
44
|
11.
50 – 31 =
24
19
21
10
|
12.
49 – 14 =
35
17
34
16
|
13.
41 – 23 =
16
18
23
14
|
14.
41 – 13 =
7
32
28
18
|
15.
23 – 9 =
11
12
14
2
|
16.
? – 9 = 19
2
1
10
28
|
17.
19 – 1 =
11
5
18
9
|
18.
? – 10 = 3
17
15
14
13
|
19.
? – 0 = 30
30
20
11
1
|
20.
? – 38 = 9
47
15
43
7
|