1.
11 + 12 =
23
2
|
2.
22 + 17 =
39
2
|
3.
5 – 2 =
3
1
|
4.
21 – 14 =
1
7
|
5.
5 + 15 =
20
2
|
6.
40 – 6 =
2
34
|
7.
42 + 5 =
47
2
|
8.
11 + 33 =
2
44
|
9.
50 + 0 =
2
50
|
10.
41 + 4 =
2
45
|
11.
17 – 14 =
3
1
|
12.
23 – 20 =
1
3
|
13.
45 + 3 =
48
2
|
14.
47 – 26 =
21
2
|
15.
1 – 1 =
0
2
|
16.
43 – 27 =
2
16
|
17.
25 – 4 =
21
2
|
18.
42 + 8 =
50
2
|
19.
49 – 8 =
41
2
|
20.
10 – 4 =
6
1
|
1.
11 + 12 =
23
2
|
2.
22 + 17 =
39
2
|
3.
5 – 2 =
3
1
|
4.
21 – 14 =
1
7
|
5.
5 + 15 =
20
2
|
6.
40 – 6 =
2
34
|
7.
42 + 5 =
47
2
|
8.
11 + 33 =
2
44
|
9.
50 + 0 =
2
50
|
10.
41 + 4 =
2
45
|
11.
17 – 14 =
3
1
|
12.
23 – 20 =
1
3
|
13.
45 + 3 =
48
2
|
14.
47 – 26 =
21
2
|
15.
1 – 1 =
0
2
|
16.
43 – 27 =
2
16
|
17.
25 – 4 =
21
2
|
18.
42 + 8 =
50
2
|
19.
49 – 8 =
41
2
|
20.
10 – 4 =
6
1
|