|
1.
28 + 7 =
2
35
|
2.
47 + 2 =
2
49
|
3.
32 – 28 =
1
4
|
4.
31 – 6 =
2
25
|
|
5.
48 – 22 =
2
26
|
6.
21 + 0 =
2
21
|
7.
5 + 12 =
17
2
|
8.
36 + 8 =
2
44
|
|
9.
18 – 1 =
17
2
|
10.
14 + 2 =
16
2
|
11.
44 + 6 =
2
50
|
12.
37 – 4 =
2
33
|
|
13.
35 – 34 =
2
1
|
14.
2 – 2 =
0
2
|
15.
13 + 2 =
15
1
|
16.
7 – 3 =
1
4
|
|
17.
23 – 2 =
21
2
|
18.
21 + 0 =
21
2
|
19.
16 + 29 =
2
45
|
20.
7 + 6 =
13
1
|
|
1.
28 + 7 =
2
35
|
2.
47 + 2 =
2
49
|
3.
32 – 28 =
1
4
|
4.
31 – 6 =
2
25
|
|
5.
48 – 22 =
2
26
|
6.
21 + 0 =
2
21
|
7.
5 + 12 =
17
2
|
8.
36 + 8 =
2
44
|
|
9.
18 – 1 =
17
2
|
10.
14 + 2 =
16
2
|
11.
44 + 6 =
2
50
|
12.
37 – 4 =
2
33
|
|
13.
35 – 34 =
2
1
|
14.
2 – 2 =
0
2
|
15.
13 + 2 =
15
1
|
16.
7 – 3 =
1
4
|
|
17.
23 – 2 =
21
2
|
18.
21 + 0 =
21
2
|
19.
16 + 29 =
2
45
|
20.
7 + 6 =
13
1
|