1.
33 – 31 =
3
2
4
1
|
2.
13 – 4 =
1
3
9
2
|
3.
6 – 0 =
1
6
2
3
|
4.
19 – 9 =
10
1
2
3
|
5.
36 – 23 =
2
13
3
1
|
6.
17 – 7 =
3
10
1
2
|
7.
33 + 2 =
4
3
35
2
|
8.
31 + 8 =
4
3
39
2
|
9.
9 + 13 =
22
3
2
4
|
10.
29 – 14 =
15
3
2
1
|
11.
43 – 31 =
1
12
3
2
|
12.
17 – 9 =
1
3
8
2
|
13.
2 – 0 =
2
1
4
3
|
14.
29 – 1 =
4
3
28
2
|
15.
42 – 28 =
1
14
3
2
|
16.
10 + 36 =
4
3
46
2
|
17.
44 + 0 =
3
4
2
44
|
18.
21 – 6 =
1
15
3
2
|
19.
20 + 7 =
2
4
27
3
|
20.
38 – 18 =
20
3
2
4
|
1.
33 – 31 =
3
2
4
1
|
2.
13 – 4 =
1
3
9
2
|
3.
6 – 0 =
1
6
2
3
|
4.
19 – 9 =
10
1
2
3
|
5.
36 – 23 =
2
13
3
1
|
6.
17 – 7 =
3
10
1
2
|
7.
33 + 2 =
4
3
35
2
|
8.
31 + 8 =
4
3
39
2
|
9.
9 + 13 =
22
3
2
4
|
10.
29 – 14 =
15
3
2
1
|
11.
43 – 31 =
1
12
3
2
|
12.
17 – 9 =
1
3
8
2
|
13.
2 – 0 =
2
1
4
3
|
14.
29 – 1 =
4
3
28
2
|
15.
42 – 28 =
1
14
3
2
|
16.
10 + 36 =
4
3
46
2
|
17.
44 + 0 =
3
4
2
44
|
18.
21 – 6 =
1
15
3
2
|
19.
20 + 7 =
2
4
27
3
|
20.
38 – 18 =
20
3
2
4
|