1.
11 – 5 =
1
6
|
2.
39 + 4 =
43
2
|
3.
18 – 3 =
15
1
|
4.
42 – 21 =
21
2
|
5.
19 – 7 =
12
1
|
6.
44 + 6 =
2
50
|
7.
14 – 1 =
13
1
|
8.
13 + 12 =
25
2
|
9.
10 + 15 =
25
2
|
10.
41 – 8 =
2
33
|
11.
31 + 13 =
44
2
|
12.
34 – 22 =
1
12
|
13.
36 – 11 =
25
2
|
14.
27 + 23 =
50
2
|
15.
44 + 2 =
2
46
|
16.
18 – 12 =
6
1
|
17.
24 + 22 =
2
46
|
18.
24 + 22 =
46
2
|
19.
29 + 2 =
31
2
|
20.
25 – 12 =
1
13
|
1.
11 – 5 =
1
6
|
2.
39 + 4 =
43
2
|
3.
18 – 3 =
15
1
|
4.
42 – 21 =
21
2
|
5.
19 – 7 =
12
1
|
6.
44 + 6 =
2
50
|
7.
14 – 1 =
13
1
|
8.
13 + 12 =
25
2
|
9.
10 + 15 =
25
2
|
10.
41 – 8 =
2
33
|
11.
31 + 13 =
44
2
|
12.
34 – 22 =
1
12
|
13.
36 – 11 =
25
2
|
14.
27 + 23 =
50
2
|
15.
44 + 2 =
2
46
|
16.
18 – 12 =
6
1
|
17.
24 + 22 =
2
46
|
18.
24 + 22 =
46
2
|
19.
29 + 2 =
31
2
|
20.
25 – 12 =
1
13
|