|
1.
1 – 0 =
2
1
|
2.
31 + 16 =
2
47
|
3.
39 – 21 =
18
2
|
4.
12 + 11 =
23
2
|
|
5.
30 + 17 =
2
47
|
6.
38 + 10 =
48
2
|
7.
45 – 6 =
2
39
|
8.
34 + 4 =
2
38
|
|
9.
3 – 0 =
1
3
|
10.
29 – 0 =
29
2
|
11.
10 + 11 =
2
21
|
12.
29 + 15 =
2
44
|
|
13.
29 + 5 =
2
34
|
14.
6 – 5 =
1
2
|
15.
4 – 3 =
2
1
|
16.
7 – 4 =
1
3
|
|
17.
36 + 6 =
2
42
|
18.
1 – 1 =
0
2
|
19.
28 – 17 =
11
1
|
20.
49 + 0 =
49
2
|
|
1.
1 – 0 =
2
1
|
2.
31 + 16 =
2
47
|
3.
39 – 21 =
18
2
|
4.
12 + 11 =
23
2
|
|
5.
30 + 17 =
2
47
|
6.
38 + 10 =
48
2
|
7.
45 – 6 =
2
39
|
8.
34 + 4 =
2
38
|
|
9.
3 – 0 =
1
3
|
10.
29 – 0 =
29
2
|
11.
10 + 11 =
2
21
|
12.
29 + 15 =
2
44
|
|
13.
29 + 5 =
2
34
|
14.
6 – 5 =
1
2
|
15.
4 – 3 =
2
1
|
16.
7 – 4 =
1
3
|
|
17.
36 + 6 =
2
42
|
18.
1 – 1 =
0
2
|
19.
28 – 17 =
11
1
|
20.
49 + 0 =
49
2
|