|
1.
5 – 5 =
2
0
|
2.
47 + 1 =
2
48
|
3.
28 + 20 =
2
48
|
4.
21 – 8 =
1
13
|
|
5.
1 + 45 =
46
2
|
6.
26 + 4 =
30
2
|
7.
4 – 0 =
4
1
|
8.
39 + 10 =
49
2
|
|
9.
13 + 32 =
2
45
|
10.
30 – 13 =
17
2
|
11.
31 – 13 =
2
18
|
12.
33 + 13 =
2
46
|
|
13.
23 + 25 =
2
48
|
14.
1 + 40 =
41
2
|
15.
42 + 5 =
47
2
|
16.
35 + 15 =
2
50
|
|
17.
16 – 14 =
2
1
|
18.
37 – 15 =
2
22
|
19.
13 + 12 =
25
2
|
20.
24 + 23 =
47
2
|
|
1.
5 – 5 =
2
0
|
2.
47 + 1 =
2
48
|
3.
28 + 20 =
2
48
|
4.
21 – 8 =
1
13
|
|
5.
1 + 45 =
46
2
|
6.
26 + 4 =
30
2
|
7.
4 – 0 =
4
1
|
8.
39 + 10 =
49
2
|
|
9.
13 + 32 =
2
45
|
10.
30 – 13 =
17
2
|
11.
31 – 13 =
2
18
|
12.
33 + 13 =
2
46
|
|
13.
23 + 25 =
2
48
|
14.
1 + 40 =
41
2
|
15.
42 + 5 =
47
2
|
16.
35 + 15 =
2
50
|
|
17.
16 – 14 =
2
1
|
18.
37 – 15 =
2
22
|
19.
13 + 12 =
25
2
|
20.
24 + 23 =
47
2
|