|
1.
31 + 4 =
2
35
|
2.
17 – 12 =
1
5
|
3.
22 – 6 =
2
16
|
4.
19 + 15 =
2
34
|
|
5.
37 + 2 =
39
2
|
6.
4 + 5 =
1
9
|
7.
24 – 10 =
14
1
|
8.
28 + 2 =
2
30
|
|
9.
17 + 15 =
32
2
|
10.
34 + 11 =
2
45
|
11.
38 + 7 =
45
2
|
12.
7 + 36 =
2
43
|
|
13.
19 – 9 =
10
1
|
14.
47 – 38 =
9
1
|
15.
11 – 4 =
1
7
|
16.
31 + 9 =
2
40
|
|
17.
43 + 4 =
47
2
|
18.
28 + 19 =
2
47
|
19.
7 + 42 =
2
49
|
20.
44 – 12 =
32
2
|
|
1.
31 + 4 =
2
35
|
2.
17 – 12 =
1
5
|
3.
22 – 6 =
2
16
|
4.
19 + 15 =
2
34
|
|
5.
37 + 2 =
39
2
|
6.
4 + 5 =
1
9
|
7.
24 – 10 =
14
1
|
8.
28 + 2 =
2
30
|
|
9.
17 + 15 =
32
2
|
10.
34 + 11 =
2
45
|
11.
38 + 7 =
45
2
|
12.
7 + 36 =
2
43
|
|
13.
19 – 9 =
10
1
|
14.
47 – 38 =
9
1
|
15.
11 – 4 =
1
7
|
16.
31 + 9 =
2
40
|
|
17.
43 + 4 =
47
2
|
18.
28 + 19 =
2
47
|
19.
7 + 42 =
2
49
|
20.
44 – 12 =
32
2
|