|
1.
34 – 19 =
1
15
|
2.
2 – 1 =
1
2
|
3.
29 – 17 =
12
1
|
4.
37 + 5 =
42
2
|
|
5.
31 – 6 =
25
2
|
6.
10 – 10 =
0
2
|
7.
21 + 20 =
41
2
|
8.
34 – 16 =
2
18
|
|
9.
45 + 0 =
2
45
|
10.
5 + 6 =
11
1
|
11.
15 – 4 =
1
11
|
12.
50 + 0 =
50
2
|
|
13.
33 + 16 =
49
2
|
14.
33 – 30 =
1
3
|
15.
36 + 4 =
2
40
|
16.
18 + 7 =
25
2
|
|
17.
39 + 9 =
2
48
|
18.
1 – 1 =
0
2
|
19.
11 + 18 =
29
2
|
20.
27 + 23 =
2
50
|
|
1.
34 – 19 =
1
15
|
2.
2 – 1 =
1
2
|
3.
29 – 17 =
12
1
|
4.
37 + 5 =
42
2
|
|
5.
31 – 6 =
25
2
|
6.
10 – 10 =
0
2
|
7.
21 + 20 =
41
2
|
8.
34 – 16 =
2
18
|
|
9.
45 + 0 =
2
45
|
10.
5 + 6 =
11
1
|
11.
15 – 4 =
1
11
|
12.
50 + 0 =
50
2
|
|
13.
33 + 16 =
49
2
|
14.
33 – 30 =
1
3
|
15.
36 + 4 =
2
40
|
16.
18 + 7 =
25
2
|
|
17.
39 + 9 =
2
48
|
18.
1 – 1 =
0
2
|
19.
11 + 18 =
29
2
|
20.
27 + 23 =
2
50
|