|
1.
31 – 23 =
8
11
|
2.
? – 13 = 3
14
16
|
3.
29 – 4 =
25
11
|
4.
46 – 30 =
1
16
|
|
5.
? – 7 = 1
9
8
|
6.
? – 11 = 31
38
42
|
7.
31 – 12 =
4
19
|
8.
? – 16 = 31
47
15
|
|
9.
8 – 6 =
2
1
|
10.
14 – 8 =
11
6
|
11.
3 – 1 =
2
5
|
12.
? – 2 = 1
3
7
|
|
13.
20 – 2 =
18
9
|
14.
? – 12 = 37
42
49
|
15.
19 – 7 =
12
1
|
16.
? – 25 = 12
37
14
|
|
17.
38 – 2 =
36
23
|
18.
15 – 4 =
15
11
|
19.
36 – 4 =
10
32
|
20.
? – 18 = 1
19
2
|
|
1.
31 – 23 =
8
11
|
2.
? – 13 = 3
14
16
|
3.
29 – 4 =
25
11
|
4.
46 – 30 =
1
16
|
|
5.
? – 7 = 1
9
8
|
6.
? – 11 = 31
38
42
|
7.
31 – 12 =
4
19
|
8.
? – 16 = 31
47
15
|
|
9.
8 – 6 =
2
1
|
10.
14 – 8 =
11
6
|
11.
3 – 1 =
2
5
|
12.
? – 2 = 1
3
7
|
|
13.
20 – 2 =
18
9
|
14.
? – 12 = 37
42
49
|
15.
19 – 7 =
12
1
|
16.
? – 25 = 12
37
14
|
|
17.
38 – 2 =
36
23
|
18.
15 – 4 =
15
11
|
19.
36 – 4 =
10
32
|
20.
? – 18 = 1
19
2
|