|
1.
42 + 2 =
44
2
|
2.
31 + 5 =
2
36
|
3.
1 – 1 =
2
0
|
4.
33 – 3 =
2
30
|
|
5.
43 + 6 =
49
2
|
6.
18 + 24 =
2
42
|
7.
13 + 27 =
40
2
|
8.
5 – 5 =
2
0
|
|
9.
3 – 0 =
3
1
|
10.
37 – 10 =
2
27
|
11.
36 – 14 =
2
22
|
12.
10 – 0 =
10
1
|
|
13.
25 + 3 =
28
2
|
14.
44 – 13 =
2
31
|
15.
21 – 18 =
1
3
|
16.
44 + 5 =
49
2
|
|
17.
15 – 4 =
1
11
|
18.
5 – 2 =
3
1
|
19.
40 – 36 =
1
4
|
20.
23 + 15 =
2
38
|
|
1.
42 + 2 =
44
2
|
2.
31 + 5 =
2
36
|
3.
1 – 1 =
2
0
|
4.
33 – 3 =
2
30
|
|
5.
43 + 6 =
49
2
|
6.
18 + 24 =
2
42
|
7.
13 + 27 =
40
2
|
8.
5 – 5 =
2
0
|
|
9.
3 – 0 =
3
1
|
10.
37 – 10 =
2
27
|
11.
36 – 14 =
2
22
|
12.
10 – 0 =
10
1
|
|
13.
25 + 3 =
28
2
|
14.
44 – 13 =
2
31
|
15.
21 – 18 =
1
3
|
16.
44 + 5 =
49
2
|
|
17.
15 – 4 =
1
11
|
18.
5 – 2 =
3
1
|
19.
40 – 36 =
1
4
|
20.
23 + 15 =
2
38
|