1.
43 – 22 =
2
21
3
4
|
2.
49 + 1 =
4
50
2
3
|
3.
17 – 9 =
3
1
2
8
|
4.
43 – 20 =
4
23
3
2
|
5.
21 + 28 =
2
4
49
3
|
6.
37 + 6 =
3
4
43
2
|
7.
39 – 16 =
2
23
3
4
|
8.
39 + 0 =
3
2
4
39
|
9.
39 + 6 =
4
45
2
3
|
10.
40 – 27 =
3
1
2
13
|
11.
3 + 0 =
2
1
3
4
|
12.
5 + 1 =
2
6
3
1
|
13.
43 + 5 =
4
2
48
3
|
14.
3 – 1 =
1
4
3
2
|
15.
48 + 2 =
3
4
50
2
|
16.
9 – 7 =
3
4
1
2
|
17.
30 + 7 =
37
4
3
2
|
18.
14 + 1 =
3
1
2
15
|
19.
20 + 18 =
4
2
38
3
|
20.
34 – 24 =
2
10
3
1
|
1.
43 – 22 =
2
21
3
4
|
2.
49 + 1 =
4
50
2
3
|
3.
17 – 9 =
3
1
2
8
|
4.
43 – 20 =
4
23
3
2
|
5.
21 + 28 =
2
4
49
3
|
6.
37 + 6 =
3
4
43
2
|
7.
39 – 16 =
2
23
3
4
|
8.
39 + 0 =
3
2
4
39
|
9.
39 + 6 =
4
45
2
3
|
10.
40 – 27 =
3
1
2
13
|
11.
3 + 0 =
2
1
3
4
|
12.
5 + 1 =
2
6
3
1
|
13.
43 + 5 =
4
2
48
3
|
14.
3 – 1 =
1
4
3
2
|
15.
48 + 2 =
3
4
50
2
|
16.
9 – 7 =
3
4
1
2
|
17.
30 + 7 =
37
4
3
2
|
18.
14 + 1 =
3
1
2
15
|
19.
20 + 18 =
4
2
38
3
|
20.
34 – 24 =
2
10
3
1
|