|
1.
50 + 0 =
50
2
|
2.
17 + 15 =
32
2
|
3.
2 – 0 =
1
2
|
4.
38 + 8 =
46
2
|
|
5.
22 – 12 =
10
1
|
6.
7 – 6 =
1
2
|
7.
47 – 3 =
2
44
|
8.
39 – 4 =
2
35
|
|
9.
38 – 21 =
2
17
|
10.
41 – 20 =
21
2
|
11.
50 – 23 =
27
2
|
12.
5 + 21 =
26
2
|
|
13.
6 + 8 =
14
1
|
14.
45 – 37 =
8
1
|
15.
44 + 3 =
47
2
|
16.
46 + 2 =
2
48
|
|
17.
17 – 15 =
1
2
|
18.
29 + 4 =
33
2
|
19.
32 – 23 =
1
9
|
20.
44 – 6 =
2
38
|
|
1.
50 + 0 =
50
2
|
2.
17 + 15 =
32
2
|
3.
2 – 0 =
1
2
|
4.
38 + 8 =
46
2
|
|
5.
22 – 12 =
10
1
|
6.
7 – 6 =
1
2
|
7.
47 – 3 =
2
44
|
8.
39 – 4 =
2
35
|
|
9.
38 – 21 =
2
17
|
10.
41 – 20 =
21
2
|
11.
50 – 23 =
27
2
|
12.
5 + 21 =
26
2
|
|
13.
6 + 8 =
14
1
|
14.
45 – 37 =
8
1
|
15.
44 + 3 =
47
2
|
16.
46 + 2 =
2
48
|
|
17.
17 – 15 =
1
2
|
18.
29 + 4 =
33
2
|
19.
32 – 23 =
1
9
|
20.
44 – 6 =
2
38
|