|
1.
23 – 9 =
1
14
|
2.
19 + 27 =
46
2
|
3.
1 + 26 =
27
2
|
4.
12 – 8 =
4
1
|
|
5.
8 + 17 =
25
2
|
6.
10 – 6 =
4
1
|
7.
24 + 14 =
38
2
|
8.
10 + 30 =
2
40
|
|
9.
30 + 0 =
2
30
|
10.
38 – 20 =
18
2
|
11.
29 + 19 =
2
48
|
12.
16 – 7 =
9
1
|
|
13.
25 – 18 =
7
1
|
14.
50 – 0 =
2
50
|
15.
34 – 20 =
1
14
|
16.
3 + 20 =
2
23
|
|
17.
37 – 10 =
2
27
|
18.
47 – 18 =
29
2
|
19.
2 + 19 =
21
2
|
20.
48 – 28 =
2
20
|
|
1.
23 – 9 =
1
14
|
2.
19 + 27 =
46
2
|
3.
1 + 26 =
27
2
|
4.
12 – 8 =
4
1
|
|
5.
8 + 17 =
25
2
|
6.
10 – 6 =
4
1
|
7.
24 + 14 =
38
2
|
8.
10 + 30 =
2
40
|
|
9.
30 + 0 =
2
30
|
10.
38 – 20 =
18
2
|
11.
29 + 19 =
2
48
|
12.
16 – 7 =
9
1
|
|
13.
25 – 18 =
7
1
|
14.
50 – 0 =
2
50
|
15.
34 – 20 =
1
14
|
16.
3 + 20 =
2
23
|
|
17.
37 – 10 =
2
27
|
18.
47 – 18 =
29
2
|
19.
2 + 19 =
21
2
|
20.
48 – 28 =
2
20
|