|
1.
8 – 4 =
1
4
|
2.
43 – 0 =
43
2
|
3.
49 – 2 =
2
47
|
4.
8 – 7 =
2
1
|
|
5.
23 + 26 =
49
2
|
6.
45 + 4 =
2
49
|
7.
36 – 24 =
1
12
|
8.
24 + 22 =
2
46
|
|
9.
49 + 1 =
2
50
|
10.
13 + 17 =
30
2
|
11.
6 + 0 =
6
1
|
12.
2 + 28 =
2
30
|
|
13.
3 – 1 =
1
2
|
14.
37 – 4 =
2
33
|
15.
31 + 0 =
31
2
|
16.
27 – 4 =
23
2
|
|
17.
21 + 1 =
2
22
|
18.
29 – 24 =
5
1
|
19.
48 + 1 =
2
49
|
20.
21 + 17 =
2
38
|
|
1.
8 – 4 =
1
4
|
2.
43 – 0 =
43
2
|
3.
49 – 2 =
2
47
|
4.
8 – 7 =
2
1
|
|
5.
23 + 26 =
49
2
|
6.
45 + 4 =
2
49
|
7.
36 – 24 =
1
12
|
8.
24 + 22 =
2
46
|
|
9.
49 + 1 =
2
50
|
10.
13 + 17 =
30
2
|
11.
6 + 0 =
6
1
|
12.
2 + 28 =
2
30
|
|
13.
3 – 1 =
1
2
|
14.
37 – 4 =
2
33
|
15.
31 + 0 =
31
2
|
16.
27 – 4 =
23
2
|
|
17.
21 + 1 =
2
22
|
18.
29 – 24 =
5
1
|
19.
48 + 1 =
2
49
|
20.
21 + 17 =
2
38
|