|
1.
39 + 6 =
2
45
|
2.
33 + 15 =
48
2
|
3.
48 + 0 =
48
2
|
4.
34 – 31 =
3
1
|
|
5.
13 + 24 =
37
2
|
6.
40 – 40 =
2
0
|
7.
21 + 14 =
35
2
|
8.
11 – 6 =
1
5
|
|
9.
12 + 4 =
16
2
|
10.
40 – 32 =
8
1
|
11.
12 + 16 =
28
2
|
12.
34 + 2 =
2
36
|
|
13.
13 + 31 =
2
44
|
14.
29 + 16 =
45
2
|
15.
27 + 12 =
2
39
|
16.
29 + 14 =
43
2
|
|
17.
37 + 10 =
47
2
|
18.
41 + 5 =
46
2
|
19.
13 – 7 =
1
6
|
20.
1 – 1 =
2
0
|
|
1.
39 + 6 =
2
45
|
2.
33 + 15 =
48
2
|
3.
48 + 0 =
48
2
|
4.
34 – 31 =
3
1
|
|
5.
13 + 24 =
37
2
|
6.
40 – 40 =
2
0
|
7.
21 + 14 =
35
2
|
8.
11 – 6 =
1
5
|
|
9.
12 + 4 =
16
2
|
10.
40 – 32 =
8
1
|
11.
12 + 16 =
28
2
|
12.
34 + 2 =
2
36
|
|
13.
13 + 31 =
2
44
|
14.
29 + 16 =
45
2
|
15.
27 + 12 =
2
39
|
16.
29 + 14 =
43
2
|
|
17.
37 + 10 =
47
2
|
18.
41 + 5 =
46
2
|
19.
13 – 7 =
1
6
|
20.
1 – 1 =
2
0
|