|
1.
21 + 9 =
30
2
|
2.
24 + 10 =
2
34
|
3.
30 – 3 =
27
2
|
4.
1 – 0 =
2
1
|
|
5.
1 – 1 =
2
0
|
6.
35 + 12 =
47
2
|
7.
44 + 0 =
2
44
|
8.
26 + 24 =
50
2
|
|
9.
23 + 27 =
2
50
|
10.
11 + 12 =
2
23
|
11.
18 – 5 =
1
13
|
12.
24 – 24 =
0
2
|
|
13.
2 – 0 =
2
1
|
14.
7 + 27 =
2
34
|
15.
3 – 0 =
1
3
|
16.
43 – 23 =
20
2
|
|
17.
29 + 2 =
2
31
|
18.
17 + 11 =
2
28
|
19.
23 + 8 =
31
2
|
20.
8 + 22 =
30
2
|
|
1.
21 + 9 =
30
2
|
2.
24 + 10 =
2
34
|
3.
30 – 3 =
27
2
|
4.
1 – 0 =
2
1
|
|
5.
1 – 1 =
2
0
|
6.
35 + 12 =
47
2
|
7.
44 + 0 =
2
44
|
8.
26 + 24 =
50
2
|
|
9.
23 + 27 =
2
50
|
10.
11 + 12 =
2
23
|
11.
18 – 5 =
1
13
|
12.
24 – 24 =
0
2
|
|
13.
2 – 0 =
2
1
|
14.
7 + 27 =
2
34
|
15.
3 – 0 =
1
3
|
16.
43 – 23 =
20
2
|
|
17.
29 + 2 =
2
31
|
18.
17 + 11 =
2
28
|
19.
23 + 8 =
31
2
|
20.
8 + 22 =
30
2
|